- Riftbound Radiance rules center on music-themed keywords: Rhythm, Melody, Encore, and Concert.
- Win condition: reduce the enemy Nexus from 20 Health to 0.
- Decks are 40 cards, max 3 copies each, built around one or two Champions.
- Rhythm rewards spell chains — effects grow stronger as your per-turn spell count rises.
- Concert cards count as both Unit and Spell, doubling synergy triggers.
Core Riftbound Radiance Rules Overview
Riftbound is Riot Games' official League of Legends trading card game, and Radiance — the fifth expansion, releasing October 23, 2026 — adds a music theme with rhythm-and-melody mechanics that reward casting spells in sequence. Before diving into the new keywords, every player needs a firm grip on the baseline rules: the Nexus win condition, mana progression, and card types.
Each player starts with a Nexus at 20 Health. You win by bringing the enemy Nexus to 0 — either through unblocked unit attacks or direct spell damage. Mana crystals increase by one each turn, capped at 10, which naturally scales the game from small early trades toward explosive late-game turns.
The official Riftbound site at riftbound.gg hosts the up-to-date comprehensive rules. Always check there after each expansion for rule clarifications and keyword updates.
| Rule Element | Details |
|---|---|
| Win condition | Reduce enemy Nexus from 20 Health to 0 |
| Deck size | 40 cards, max 3 copies per card |
| Mana system | +1 mana crystal per turn, capped at 10 |
| Champions per deck | One or two, with unique upgrade conditions |
| Instant speed | Some spells can be played on the opponent's turn |
Radiance Keyword Mechanics Explained
Radiance's four signature mechanics all revolve around spellcasting tempo. Understanding how they interact is the key difference between a casual list and a competitive Radiance deck.
Rhythm
- Counts Spells played this turn
- "Rhythm 2:" bonuses trigger on your second Spell
- Rewards chain-casting sequences
Melody
- Play a free Spell from hand
- Free Spell cost must be equal or less than the Melody card's cost
- Triggers once per card
Encore
- Destroyed units return next turn
- Return with 1 Health and no keywords
- Triggers only once per unit
Concert
- Counts as both Unit and Spell
- Triggers "played a Spell" effects
- Deckbuilding and synergy flexibility
| Keyword | Trigger | Payoff | Key Interaction |
|---|---|---|---|
| Rhythm | Spell count per turn | Scaling bonuses | Rhapsody of Valor gains Overwhelm at Rhythm 2 |
| Melody | Playing a Melody card | Free follow-up Spell | Eternal Duet casts Stage Lights for free |
| Encore | Unit destroyed | Returns with 1 Health | Absorbs one extra attack or trade |
| Concert | Concert unit played | Counts as a Spell | Sona gains +1/+1 immediately |
Encore is not recursive. Once an Encore unit returns to the battlefield and is destroyed again, it leaves for good — plan your trades accordingly.
Turn Flow Step-by-Step
Every Riftbound turn follows a consistent sequence. Mastering this order prevents missed triggers, especially with Rhythm counting and Instant-speed spells.
Draw Phase
Draw your card for the turn. Track which Spells you've already cast — your Rhythm count resets at the start of each of your turns.
Gain Mana
Your mana crystals increase by one (up to 10). Unspent mana does not carry over, so plan curves that use your full allocation.
Play Cards
Deploy Champions, Units, and Spells. Sequencing matters in Radiance: cast cheap Spells first to build Rhythm before your payoff cards.
Declare Attacks
Commit your units to attacks. Unblocked damage hits the enemy Nexus directly; Overwhelm carries excess combat damage through.
Respond on Opponent's Turn
Hold Instant-speed Spells to react and bluff during the opponent's turn — Stage Lights and Sonata of Swiftness are flexible reaction tools.
With Sona, Maven of the Strings on board, every Spell grants her +1 Attack and +1 Health — so cast your Spel ls before declaring attacks to maximize combat math.
Card Types and Synergy Rules
Riftbound card types each serve distinct roles, and Radiance's Concert rule blurs the traditional line between Units and Spells. Use this reference when building around Magic-attribute Champions like Sona.
| Card Type | Role | Radiance Example | Synergy Note |
|---|---|---|---|
| Champion | Powerful unit with upgrade conditions | Sona, Maven of the Strings | Grand Ally reduces Spell costs by 1 |
| Unit | Board presence, keywords | Stage Performer (Concert) | Triggers spell-synergy effects |
| Spell — Instant | Combat tricks, removal | Rhapsody of Valor | Fuels Rhythm count immediately |
| Spell — Ongoing | Persistent effects | Eternal Duet | Pings strongest enemy each turn |
Representative Radiance spell interactions:
- Rhapsody of Valor (Epic): +2/+2 and Barrier; gains Overwhelm if you've played 3+ Spells this game.
- Virtuoso Recital (Epic): 2 damage per different Spell played this turn (max 3 hits).
- Stage Lights (Common): Reveal top card; if it's a Spell, draw it and deal 1 damage.
Effects that trigger off "playing a Spell" also trigger when a Concert unit is played. This makes Concert units premium picks in any Rhythm or Sona-based list.
Rules Checklist for New Players
Before your first Radiance match, run through this quick rules checklist to make sure your deck and habits are tournament-ready.
Pre-Match Rules Checklist:
- Deck contains exactly 40 cards with max 3 copies each
- Champion upgrade conditions noted for your 1-2 Champions
- Rhythm count tracked every turn (resets each turn)
- Encore returns marked with a token — one trigger only
- Concert units flagged as Spell triggers for synergy
The Radiance Two-Player Starter Set ($29.99, releasing October 23, 2026) includes quick-start rules and two ready-to-play 40-card decks — the fastest way to internalize the turn flow with a friend.
Radiance Rules FAQ
Q: Does Rhythm count Spells played on my opponent's turn?
No. Rhythm counts the Spells you've played during the current turn. Your count resets at the start of each of your turns, so Instant-speed Spells cast during the opponent's turn do not carry over to your next Rhythm total.
Q: How does the Concert deckbuilding rule work in Riftbound Radiance rules?
Concert cards count as both a Unit and a Spell for deckbuilding and synergy purposes. When you play a Concert unit, effects that trigger off 'playing a Spell' — such as Sona's +1/+1 — trigger immediately.
Q: Can an Encore unit return more than once?
No. Encore triggers only once per unit. After the unit returns to the battlefield with 1 Health and no keywords, it can be removed normally and does not come back again.
Q: What does Melody let me cast for free?
When you play a card with Melody, you may immediately play a Spell from your hand with mana cost equal to or less than the Melody card's cost, without paying that Spell's cost. Melody triggers once per card.