Red Cliffs Armada can't attack unless defending player controls an Island.

, : Put a charge counter on Red Mana Battery.

, Remove any number of charge counters from Red Mana Battery: Add , then add an additional for each charge counter removed this way.

Red Sun's Zenith deals X damage to any target. If a creature dealt damage this way would die this turn, exile it instead. Shuffle Red Sun's Zenith into its owner's library.

Prevent all damage that would be dealt this turn to up to two target creatures.

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."

Return all artifacts and enchantments to their owners' hands.

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

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.

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.)

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.

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.)

Return target permanent to its owner's hand.

Choose one —

• Destroy target Plains and target white creature.

• Destroy target Island and target blue creature.

Each player sacrifices a creature of their choice. 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.

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.

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.

Flying

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

Fading 2 <I>(This artifact enters with two fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.)</I>

: You gain 2 life.

Rekindled Flame deals 4 damage to any target.

At the beginning of your upkeep, if an opponent has no cards in hand, you may return Rekindled Flame from your graveyard to your hand.

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.)

Relentless Rats gets +1/+1 for each other creature on the battlefield named Relentless Rats.

A deck can have any number of cards named Relentless Rats.

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.

: Target player exiles a card from their graveyard.

, Exile Relic of Progenitus: Exile all graveyards. Draw a card.

You may cast Relic Ward as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step.

Enchant artifact

Enchanted artifact has shroud. (It can't be the target of spells or abilities.)

You have no maximum hand size.

: Add .

Prevent the next 5 damage that would be dealt this turn to any number of targets, divided as you choose.

Whenever a nontoken creature you control dies, you may search your library for a card with the same name as that creature, reveal it, put it into your hand, then shuffle.

If you control two or more green permanents that share an artist, you may cast this spell without paying its mana cost.

Exile target artifact.

Remote Isle enters tapped.

: Add .

Cycling (, Discard this card: Draw a card.)

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.

Destroy target non-Spirit creature.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

Persist (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.)

Destroy target artifact or enchantment if its mana value is less than or equal to the number of cards in your hand.

Draw a card.

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.)

Haste

As an additional cost to cast this spell, sacrifice a land.

Search your library for a basic land card, put that card onto the battlefield, then shuffle.

Draw a card at the beginning of the next turn's upkeep.

You gain 2 life for each Mountain target opponent controls.

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

, Sacrifice Renowned Weaver: Create a 1/3 green Spider enchantment creature token with reach. (It can block creatures with flying.)

Each player's life total becomes the lowest life total among all players.

Put target creature on top of its owner's library.

Tap up to two target creatures.

Draw a card.

Protection from red

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