Whenever Red-Hot Hottie deals damage to a creature, put a third-degree-burn counter on that creature. It gains "At the beginning of each end step, sacrifice this creature unless you scream ‘Aaah' at the top of your lungs."

Defender

, , Sacrifice a land: Draw a card and create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Trample

Whenever an enchantment enters the battlefield under your control, you may pay . If you do, return Redtooth Vanguard from your graveyard to your hand.

Enchant creature

Enchanted creature has base power and toughness 0/2.

Return all artifacts and enchantments to their owners' hands.

Whenever Reef Pirates deals damage to an opponent, that player mills a card.

When Reef Worm dies, create a 3/3 blue Fish creature token with "When this creature dies, create a 6/6 blue Whale creature token with ‘When this creature dies, create a 9/9 blue Kraken creature token.'"

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Vigilance

When Referee Squad enters the battlefield, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

The next time a source of your choice would deal damage this turn, that damage is dealt to that source's controller instead.

: Add one mana of any type that a land you control could produce.

As Reflections of Littjara enters the battlefield, choose a creature type.

Whenever you cast a spell of the chosen type, copy that spell. (A copy of a permanent spell becomes a token.)

When Reflector Mage enters the battlefield, return target creature an opponent controls to its owner's hand. That creature's owner can't cast spells with the same name as that creature until your next turn.

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.)

Enchanted creature has first strike. (It deals combat damage before creatures without first strike.)

Each player discards their hand, then draws seven cards.

Miracle (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

If an opponent cast a red instant or sorcery spell this turn, you may pay rather than pay this spell's mana cost.

Prevent the next 3 damage that a source of your choice would deal to you and/or permanents you control this turn. If damage is prevented this way, Refraction Trap deals that much damage to any target.

If an opponent controls a Swamp and you control a Forest, you may cast this spell without paying its mana cost.

Target player gains 6 life.

Refuse deals damage to target spell's controller equal to that spell's mana value.

Trample

When Regal Behemoth enters the battlefield, you become the monarch.

Whenever you tap a land for mana while you're the monarch, add an additional one mana of any color.

Regal Bunnicorn's power and toughness are each equal to the number of nonland permanents you control.

When Regal Force enters the battlefield, draw a card for each green creature you control.

Sliver creatures you control have "When this creature enters the battlefield, Slivers you control get +1/+1 until end of turn if you're the monarch. Otherwise, you become the monarch."

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.)

: Regenerate enchanted creature. (The next time that creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

Return up to two target permanent cards from your graveyard to your hand.

Reveal Regicide as you draft it. The player to your right chooses a color, you choose another color, then the player to your left chooses a third color.

Destroy target creature that's one or more of the colors chosen as you drafted cards named Regicide.

Partner with Krav, the Unredeemed (When this creature enters the battlefield, target player may put Krav into their hand from their library, then shuffle.)

Flying

At the beginning of each end step, if your team gained life this turn, create two 1/1 white Warrior creature tokens.

Return target permanent to its owner's hand.

Flying, vigilance

Snow lands your opponents control enter the battlefield tapped.

Noncreature spells your opponents cast with mana value 4 or greater cost more to cast.

Destroy all green creatures or all white creatures. They can't be regenerated. You lose 2 life for each creature that died this way.

Choose target creature. When that creature dies this turn, return a creature card from its owner's graveyard to the battlefield under the control of that creature's owner.

Haste

At the beginning of your end step, return Reinforced Ronin to its owner's hand.

Channel — , Discard Reinforced Ronin: Draw a card.

Untap all creatures you control and all creatures target opponent controls. You and that opponent each gain control of all creatures the other controls until end of turn. Those creatures gain haste until end of turn.

Counter target spell. You may cast a spell with equal or lesser mana value from your hand without paying its mana cost.

: Put target card from a graveyard on the bottom of its owner's library.

Flying

When Reiver Demon enters the battlefield, if you cast it from your hand, destroy all nonartifact, nonblack creatures. They can't be regenerated.

Counter target spell. If that spell's mana value was 3 or less, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Rejuvenating Springs enters the battlefield tapped unless you have two or more opponents.

: Add or .

Whenever you cast a legendary spell, draw a card.

Flying

When Rekindling Phoenix dies, create a 0/1 red Elemental creature token with "At the beginning of your upkeep, sacrifice this creature and return target card named Rekindling Phoenix from your graveyard to the battlefield. It gains haste until end of turn."

Return target instant or sorcery card from your graveyard to your hand.

Release the Ants deals 1 damage to any target. Clash with an opponent. If you win, return Release the Ants to its owner's hand. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

Destroy X target artifacts. Create X 2/2 red Gremlin creature tokens.

Exile target nonland permanent. For as long as that card remains exiled, its owner may cast it without paying its mana cost.

Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase.

: Relentless Hunter gets +1/+1 and gains trample until end of turn.

Vigilance

Relentless Raptor attacks or blocks each combat if able.

When Relentless Rohirrim enters the battlefield, the Ring tempts you.

Whenever you cast an instant, sorcery, or Wizard spell, put a charge counter on Relic Amulet.

, , Remove all charge counters from Relic Amulet: It deals that much damage to target creature.

Enchant artifact

Enchanted artifact has "At the beginning of your upkeep, you lose 2 life."

Enchant artifact an opponent controls

Whenever enchanted artifact becomes tapped, choose one —

• Relic Bind deals 1 damage to target player or planeswalker.

• Target player gains 1 life.

Relic Golem can't attack or block unless an opponent has eight or more cards in their graveyard.

, : Target player mills two cards. (They put the top two cards of their library into their graveyard.)