When Rooting Kavu dies, you may exile it. If you do, shuffle all creature cards from your graveyard into your library.

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.)

Tap two untapped creatures you control: Root-Kin Ally gets +2/+2 until end of turn.

, Sacrifice Rootrunner: Put target land on top of its owner's library.

Soulshift 3 (When this creature dies, you may return target Spirit card with mana value 3 or less from your graveyard to your hand.)

As Roots of Life enters, choose Island or Swamp.

Whenever a land of the chosen type an opponent controls becomes tapped, you gain 1 life.

, Sacrifice Rootwater Diver: Return target artifact card from your graveyard to your hand.

Haste

Survival — At the beginning of your second main phase, if Rootwise Survivor is tapped, put three +1/+1 counters on up to one target land you control. That land becomes a 0/0 Elemental creature in addition to its other types. It gains haste until your next turn.

Flying, haste

: Add . Spend this mana only on costs that contain .

Rot Farm Skeleton can't block.

, Mill four cards: Return Rot Farm Skeleton from your graveyard to the battlefield. Activate only as a sorcery.

Whenever Rotting Giant attacks or blocks, sacrifice it unless you exile a card from your graveyard.

Rough deals 2 damage to each creature without flying.

First strike

As long as you control a Rowan planeswalker, Rowan's Battleguard gets +3/+0.

Flying

Roxi, Publicist to the Stars's power is equal to the number of permanents you control with an art sticker plus the number of cards in your graveyard with an art sticker.

When Roxi enters, distribute up to two art stickers among one or two nonland permanents you own.

Whenever Royal Trooper blocks, it gets +2/+2 until end of turn.

Haste

Whenever Rubblebelt Rioters attacks, it gets +X/+0 until end of turn, where X is the greatest power among creatures you control.

Flying

Whenever a player casts a spell, they lose 1 life for each spell they've cast this turn.

Aftermath (Cast this spell only from your graveyard. Then exile it.)

Ruin deals damage to target creature equal to the number of lands you control.

, : Exile target land you control, then return it to the battlefield under your control.

Devoid (This card has no color.)

Ingest (Whenever this creature deals combat damage to a player, that player exiles the top card of their library.)

Other colorless creatures you control get +1/+0.

Flying, lifelink

At the beginning of your end step, if you descended this turn, scry 1. (You descended if a permanent card was put into your graveyard from anywhere.)

Reach, deathtouch

: Put a +1/+1 counter on Ruins Recluse.

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

Whenever Rulik Mons, Warren Chief attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you didn't put a card onto the battlefield this way, create a 1/1 red Goblin creature token.

When Rumbling Ruin enters, count the number of +1/+1 counters on creatures you control. Creatures your opponents control with power less than or equal to that number can't block this turn.

Alliance — Whenever another creature you control enters, scry 1. If this is the second time this ability has resolved this turn, draw a card instead.

Until end of turn, target creature gains trample and ": Regenerate this creature."

Trample

Runaway Trash-Bot gets +1/+0 for each artifact and/or enchantment card in your graveyard.

Enchant permanent

When Rune of Might enters, draw a card.

As long as enchanted permanent is a creature, it gets +1/+1 and has trample.

As long as enchanted permanent is an Equipment, it has "Equipped creature gets +1/+1 and has trample."

: The next time an artifact source of your choice would deal damage to you this turn, prevent that damage.

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

Enchant permanent

When Rune of Sustenance enters, draw a card.

As long as enchanted permanent is a creature, it has lifelink.

As long as enchanted permanent is an Equipment, it has "Equipped creature has lifelink."

When Rune-Brand Juggler enters, suspect up to one target creature you control. (A suspected creature has menace and can't block.)

, Sacrifice a suspected creature: Target creature gets -5/-5 until end of turn.

When Runed Servitor dies, each player draws a card.

, : Target attacking creature gets +2/+0 until end of turn. When that creature leaves the battlefield this turn, sacrifice Runesword. If the creature deals damage to a creature this turn, the creature dealt damage can't be regenerated this turn. If a creature dealt damage by the targeted creature would die this turn, exile that creature instead.

Kicker (You may pay an additional as you cast this spell.)

Destroy target tapped creature. If this spell was kicked, scry 2.

Rupture Spire enters tapped.

When Rupture Spire enters, sacrifice it unless you pay .

: Add one mana of any color.

Draw two cards. Then discard a card at random unless you pay (two energy counters).

Warriors your team controls have haste.

Rushwood Grove enters tapped.

: Put a storage counter on Rushwood Grove.

, Remove any number of storage counters from Rushwood Grove: Add for each storage counter removed this way.

Flying

At the beginning of your upkeep, sacrifice an artifact other than Rust Elemental. If you can't, tap Rust Elemental and you lose 4 life.

Whenever Rust Scarab becomes blocked, you may destroy target artifact or enchantment defending player controls.

Metalcraft — Rusted Relic is a 5/5 Golem artifact creature as long as you control three or more artifacts.

Fading 5 <I>(This creature enters with five fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.)</I>

Rusting Golem's power and toughness are each equal to the number of fade counters on it.

Whenever Rustmouth Ogre deals combat damage to a player, you may destroy target artifact that player controls.

Flying

Whenever you sacrifice a creature, target opponent sacrifices a creature.

Choose one —

• Target nonattacking creature gains reach and deathtouch until end of turn. Untap it.

• Target attacking creature gets +2/+2 and gains trample until end of turn.

When Ruthless Lawbringer enters, you may sacrifice another creature. When you do, destroy target nonland permanent.

Squad—Exile four cards from your graveyard. (As an additional cost to cast this spell, you may pay its squad cost any number of times. When this creature enters, create that many tokens that are copies of it.)

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

Whenever you cycle or discard a card, you may pay . If you do, put a -1/-1 counter on target creature.

Whenever Saber Ants is dealt damage, you may create that many 1/1 green Insect creature tokens.

, : Sacellum Archers deals 2 damage to target attacking or blocking creature.

: Target creature gets +1/+0 until end of turn.