Flying

Fire Breath — When Red Dragon enters, it deals 4 damage to each opponent.

: Exchange CARDNAME from your hand with a permanent you control on the battlefield or a spell you control on the stack. If that permanent or spell was the target of a spell or ability, change that target to CARDNAME.

Enchant creature

Enchanted creature can't be blocked by red creatures.

Enchanted creature gets +2/+2 as long as an opponent controls a red permanent.

Menace

When this creature enters, create two 1/1 black Rat creature tokens with "This token can't block."

At the beginning of your upkeep, you may sacrifice another creature. If you do, put a +1/+1 counter on this creature and exile the top card of your library. You may play that card this turn.

Redcap Melee deals 4 damage to target creature or planeswalker. If a nonred permanent is dealt damage this way, you sacrifice a land.

When Redcap Thief enters, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Fallen Warrior — As an additional cost to cast this spell, you may exile a creature card from your graveyard.

Trample

Plasma Incinerator — Whenever Redemptor Dreadnought attacks, if a card is exiled with it, it gets +X/+X until end of turn, where X is the power of the exiled card.

When Redtooth Genealogist enters, create a Royal Role token attached to another target creature you control. (If you control another Role on it, put that one into the graveyard. Enchanted creature gets +1/+1 and has ward .)

Enchant creature

Enchanted creature has base power and toughness 0/2.

Return all artifacts and enchantments to their owners' hands.

: Target land becomes the basic land type of your choice until end of turn.

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, 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.

When Reflector Mage enters, 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.

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.

Affinity for artifacts (This spell costs less to cast for each artifact you control.)

Flying

When Refurbished Familiar enters, each opponent discards a card. For each opponent who can't, you draw a card.

Trample

When Regal Behemoth enters, 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, draw a card for each green creature you control.

Sliver creatures you control have "When this creature enters, 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 attached to that creature.)

: Regenerate enchanted creature. (The next time that creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Target creature gets +2/+2 until end of turn. If it's an enchantment creature or legendary creature, instead put a +1/+1 counter on it and it gets +1/+1 until end of turn.

Partner with Krav, the Unredeemed (When this creature enters, 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.

Flying, vigilance

Snow lands your opponents control enter tapped.

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

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.

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)

Copy target instant or sorcery spell. You may choose new targets for the copy.

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

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

: Add or .

Whenever you cast a legendary spell, draw a card.

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.

Vigilance

Relentless Raptor attacks or blocks each combat if able.

As an additional cost to cast this spell, exile a creature card from your graveyard.

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

When Relic Axe enters, attach it to target creature you control.

Equipped creature gets +1/+1. If it's a Warrior, it gets +2/+1 instead.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

: Tap target artifact.

, , Sacrifice a creature: Draw a card.

As long as you control a Cleric, Relic Vial has "Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life."

Until end of turn, target artifact or creature becomes a Dinosaur artifact creature with base power and toughness 4/3 in addition to its other types.

When Reliquary Monk dies, destroy target artifact or enchantment.

Return up to one target artifact card, up to one target land card, and up to one target non-Aura enchantment card from your graveyard to the battlefield. They are 5/5 Elemental creatures in addition to their other types.

Flying, haste

If a spell would deal damage to you or another permanent you control, prevent that damage.

If a spell would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 1 instead.

Choose one or both —

• Return target creature card from your graveyard to your hand.

• Return target artifact card from your graveyard to your hand.

Flying

Whenever another creature you control enters, you may pay . When you do, put X +1/+1 counters on that creature.

As long as you control five or more modified creatures, Remnant of the Rising Star gets +5/+5 and has trample. (Equipment, Auras you control, and counters are modifications.)

Return to your hand all enchantments you both own and control, all Auras you own attached to permanents you control, and all Auras you own attached to attacking creatures your opponents control. Then destroy all other enchantments you control, all other Auras attached to permanents you control, and all other Auras attached to attacking creatures your opponents control.

Renata's power is equal to your devotion to green. (Each in the mana costs of permanents you control counts toward your devotion to green.)

Each other creature you control enters with an additional +1/+1 counter on it.

Rending Flame deals 5 damage to target creature or planeswalker. If that permanent is a Spirit, Rending Flame also deals 2 damage to that permanent's controller.