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.

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.

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.

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

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.

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.

Flying, vigilance

Snow lands your opponents control enter 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.

Replicate—Pay . (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)

Reiterating Bolt deals 3 damage to target creature or planeswalker.

Defender

When Reito Sentinel enters, target player mills three cards. (They put the top three cards of their library into their graveyard.)

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

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.)

Whenever you cast a legendary spell, draw a card.

Create four 1/1 white Dog creature tokens.

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

When Relentless Rohirrim enters, the Ring tempts you.

: Add one mana of any color.

Tap an untapped legendary creature you control: Add one mana of any color.

: Add two mana in any combination of , , and/or .

, : Draw two cards, then discard a card.

Vigilance

Menace (This creature can't be blocked except by two or more creatures.)

When Reliquary Monk dies, destroy target artifact or enchantment.

Survival — At the beginning of your second main phase, if Reluctant Role Model is tapped, put a flying, lifelink, or +1/+1 counter on it.

Whenever Reluctant Role Model or another creature you control dies, if it had counters on it, put those counters on up to one target creature.

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.)

Flying

Sacrifice Remorseful Cleric: Exile target player's graveyard.

Remote Farm enters tapped with two depletion counters on it.

, Remove a depletion counter from Remote Farm: Add . If there are no depletion counters on Remote Farm, sacrifice it.

Cast this spell only during the declare attackers step and only if you've been attacked this step.

Return target attacking creature to its owner's hand.

Counter target creature spell.

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.

This spell can't be countered.

Rending Volley deals 4 damage to target white or blue creature.

Whenever another creature you control enters, you may have Renegade Doppelganger become a copy of that creature until end of turn. (If it does, it loses this ability for the rest of the turn.)

First strike

Whenever Renegade Warlord attacks, each other attacking creature gets +1/+0 until end of turn.

Sacrifice any number of permanents. You gain 2 life for each permanent sacrificed this way.

: Add . Spend this mana only to cast artifact spells or activate abilities of artifacts.

, : Search your library for a card named Heart-Piercer Bow or Vial of Dragonfire, reveal it, put it into your hand, then shuffle.

Whenever an opponent casts a spell that targets you or a creature you control, you may draw a card.

When you next cast an instant spell, cast a sorcery spell, or activate a loyalty ability this turn, copy that spell or ability twice. You may choose new targets for the copies.

Whenever a creature is dealt damage, Repercussion deals that much damage to that creature's controller.

Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it. Players may choose new targets for their copies.)

Create a token that's a copy of target permanent you control.

Exploit (When this creature enters, you may sacrifice a creature.)

When Repository Skaab exploits a creature, return target instant or sorcery card from your graveyard to your hand.

Sacrifice any number of artifacts, creatures, and/or lands. Draw a card for each permanent sacrificed this way.

Put X +1/+1 counters on target creature you control. Then counter up to one target spell unless its controller pays mana equal to the greatest power among creatures you control.

Change the target of target activated ability with a single target. (Mana abilities can't be targeted.)

Draw a card.

Exile target creature you control, then return that card to the battlefield under its owner's control. (Then exile this card. You may cast the creature later from exile.)

Trample, ward

At the beginning of each combat, if Reservoir Kraken is untapped, any opponent may tap an untapped creature they control. If they do, tap Reservoir Kraken and create a 1/1 blue Fish creature token with "This creature can't be blocked."

Haste, protection from Coyotes

: Resilient Roadrunner can't be blocked this turn except by creatures with haste.

Rally — Whenever Resolute Blademaster or another Ally you control enters, creatures you control gain double strike until end of turn.