Flying

When Runo Stromkirk enters, put up to one target creature card from your graveyard on top of your library.

At the beginning of your upkeep, look at the top card of your library. You may reveal that card. If a creature card with mana value 6 or greater is revealed this way, transform Runo Stromkirk.

Rupture Spire enters tapped.

When Rupture Spire enters, sacrifice it unless you pay .

: Add one mana of any color.

Vigilance, reach

Ruric Thar, the Unbowed attacks each combat if able.

Whenever a player casts a noncreature spell, Ruric Thar deals 6 damage to that player.

Creatures you control get +2/+1 until end of turn. Warrior creatures you control gain lifelink until end of turn. (Damage dealt by those Warriors also causes their controller to gain that much life.)

Spree (Choose one or more additional costs.)

+ — Target opponent sacrifices half the creatures they control, rounded up.

+ — Target opponent discards half the cards in their hand, rounded up.

+ — Target opponent loses half their life, rounded up.

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

Target creature gets +1/+0 and gains lifelink and indestructible until end of turn. (Damage dealt by that creature also causes its controller to gain that much life, and it can't be destroyed by damage or effects that say "destroy.")

Warriors your team controls have haste.

Kicker—Sacrifice a land. (You may sacrifice a land in addition to any other costs as you cast this spell.)

Return target nonland permanent to its owner's hand. If this spell was kicked, return another target nonland permanent to its owner's hand.

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

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.

If an opponent controls an Island and you control a Forest, you may cast this spell without paying its mana cost.

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.

First strike

Sacrifice an artifact: Rust Monster gets +2/+0 until end of turn.

You may choose not to untap Rust Tick during your untap step.

, : Tap target artifact. It doesn't untap during its controller's untap step for as long as Rust Tick remains tapped.

Rusted Sentinel enters tapped.

As Rustic Clachan enters, you may reveal a Kithkin card from your hand. If you don't, Rustic Clachan enters tapped.

: Add .

Reinforce 1— (, Discard this card: Put a +1/+1 counter on target creature.)

Spree (Choose one or more additional costs.)

+ — Untap all creatures target player controls.

+ — Target creature gains double strike until end of turn.

First strike

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

When Rustspore Ram enters, destroy target Equipment.

: Put an oil counter on Rustvine Cultivator.

, Remove an oil counter from Rustvine Cultivator: Untap target land.

Ruthless Cullblade gets +2/+1 as long as an opponent has 10 or less life.

As an additional cost to cast this spell, discard a card and sacrifice a creature.

Two target creatures each get -13/-13 until end of turn.

( can be paid with either or 2 life.)

Nonartifact creatures can't block this turn.

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

Target creature you control gets +1/+2 until end of turn. It fights target creature you don't control. (Each deals damage equal to its power to the other.)

Deathtouch

Morph—Reveal a black card in your hand. (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

When Ruthless Ripper is turned face up, target player loses 2 life.

When Ruthless Technomancer enters, you may sacrifice another creature you control. If you do, create a number of Treasure tokens equal to that creature's power.

, Sacrifice X artifacts: Return target creature card with power X or less from your graveyard to the battlefield. X can't be 0.

Whenever Ruxa, Patient Professor enters or attacks, return target creature card with no abilities from your graveyard to your hand.

Creatures you control with no abilities get +1/+1.

For each creature you control with no abilities, you may have that creature assign its combat damage as though it weren't blocked.

Whenever Rysorian Badger attacks and isn't blocked, you may exile up to two target creature cards from defending player's graveyard. If you do, you gain 1 life for each card exiled this way and Rysorian Badger assigns no combat damage this turn.

, : Look at the top card of target player's library. If it has an Agents of S.N.E.A.K. watermark, you may reveal it and put it into your hand. Otherwise, put it on the top or bottom of its owner's library.

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

Sabertooth Alley Cat attacks each combat if able.

: Creatures without defender can't block Sabertooth Alley Cat this turn.

At the beginning of your end step, if a creature died this turn, put a +1/+1 counter on Sabertooth Mauler and untap it.

Trample

Formidable — Whenever Sabertooth Outrider attacks, if creatures you control have total power 8 or greater, Sabertooth Outrider gains first strike until end of turn.

First strike

: Reveal any number of creature cards with power 5 or greater from your hand. Add for each card revealed this way.

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

Lifelink

Embalm (, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Cat with no mana cost. Embalm only as a sorcery.)

Sacred Fire deals 2 damage to any target and you gain 2 life.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Whenever a spell or ability an opponent controls causes a land to be put into your graveyard from the battlefield, return that card to the battlefield.

Sacred Knight can't be blocked by black and/or red creatures.

You gain 4 life.

Whenever Sacred Prey becomes blocked, you gain 1 life.

, : You gain 4 life. Activate only if you control a Yanggu planeswalker.

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

Add an amount of equal to the sacrificed creature's mana value.

Equipped creature gets +3/+3 and can't be blocked by creatures with power 3 or less.

Equip

Saddled Rimestag gets +2/+2 as long as you had another creature enter the battlefield under your control this turn.

Enchant creature

Whenever a creature dies, put a +1/+1 counter on enchanted creature.