Return all artifact and enchantment cards from your graveyard to the battlefield.

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

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 .)

Counter target spell unless its controller pays .

Reduce to Ashes deals 5 damage to target creature. If that creature would die this turn, exile it instead.

Exile target nonland permanent. Its controller creates a 3/2 red and white Spirit creature token.

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, 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, 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, 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 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.

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.

Target creature gets +2/+7 until end of turn. Untap it.

Flying

At the beginning of each end step, if you gained life this turn, create a 1/1 black Bat creature token with flying.

Other Cats you control get +1/+1 and have lifelink.

When Regal Caracal enters, create two 1/1 white Cat creature tokens with lifelink.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Whenever this creature mutates, other creatures you control get +2/+1 until end of turn.

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

Vanishing 12 (This enchantment enters with twelve time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)

Whenever one or more time counters are removed from Regenerations Restored, scry 1 and you gain 1 life. Then if Regenerations Restored has no time counters on it, exile it. When you do, take an extra turn after this one.

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.

Other Dinosaurs you control have haste.

When Regisaur Alpha enters, create a 3/3 green Dinosaur creature token with trample.

For each player, choose friend or foe. Each friend puts a +1/+1 counter on each creature they control. Each foe chooses one untapped creature they control, then taps the rest.

Return target card from your graveyard to your hand.

Choose one —

• Destroy target Plains and target white creature.

• Destroy target Island and target blue creature.

Each player sacrifices a creature. Create an X/X black Demon creature token with flying, where X is the total power of the creatures sacrificed this way.

Defender

: Prevent the next 1 damage that would be dealt to you this turn.

Put up to three target creature cards from your graveyard on top of your library.

Enchant creature

Enchanted creature gets +2/+2.

When enchanted creature dies, you may return Reins of the Vinesteed from your graveyard to the battlefield attached to a creature that shares a creature type with that creature.

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.

Flying

When Reiver Demon enters, 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 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 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."