Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

Whenever you cast a Dog spell, create a 1/1 green Cat creature token.

Whenever you cast a Cat spell, create a 1/1 white Dog creature token.

, : Rin and Seri, Inseparable deals damage to any target equal to the number of Dogs you control. You gain life equal to the number of Cats you control.

Trample

When Riparian Tiger enters the battlefield, you get (two energy counters).

Whenever Riparian Tiger attacks, you may pay . If you do, it gets +2/+2 until end of turn.

Whenever Riptide Entrancer deals combat damage to a player, you may sacrifice it. If you do, gain control of target creature that player controls. (This effect lasts indefinitely.)

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

Target noncreature artifact you control becomes a 0/0 artifact creature. Put four +1/+1 counters on each artifact that became a creature this way.

Overload (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Vigilance

Flying

When Rishadan Brigand enters the battlefield, each opponent sacrifices a permanent unless they pay .

Rishadan Brigand can block only creatures with flying.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

, : Tap target land.

, : Shuffle target nontoken permanent you control into its owner's library.

Haste

Whenever Risona, Asari Commander deals combat damage to a player, if it doesn't have an indestructible counter on it, put an indestructible counter on it.

Whenever combat damage is dealt to you, remove an indestructible counter from Risona.

Coven — At the beginning of combat on your turn, if you control three or more creatures with different powers, Ritual Guardian gains lifelink until end of turn.

Flying, trample

When RMS Titanic deals combat damage to a player, sacrifice it and create that many Treasure tokens.

Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)

Vigilance

Robaran Mercenaries has all activated abilities of all legendary creatures you control.

Whenever you cast your first spell each turn, add .

When Rogue Elephant enters the battlefield, sacrifice it unless you sacrifice a Forest.

All creatures get +2/-2 until end of turn.

Trample

Whenever a source deals damage to Rona, Tolarian Obliterator, that source's controller exiles a card from their hand at random. If it's a land card, you may put it onto the battlefield under your control. Otherwise, you may cast it without paying its mana cost.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

When Rope Line Attendant enters the battlefield, creature cards in your hand perpetually gain "When this creature enters the battlefield, create a 1/1 green and white Citizen creature token."

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

Whenever Rotlung Reanimator or another Cleric dies, create a 2/2 black Zombie creature token.

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

Instant and sorcery spells you cast cost less to cast.

+1: Rowan, Scholar of Sparks deals 1 damage to each opponent. If you've drawn three or more cards this turn, she deals 3 damage to each opponent instead.

−4: You get an emblem with "Whenever you cast an instant or sorcery spell, you may pay . If you do, copy that spell. You may choose new targets for the copy."

First strike

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

When Rowan's Stalwarts enters the battlefield, you may search your library and/or graveyard for a card named Rowan, Fearless Sparkmage, reveal it, and put it into your hand. If you search your library this way, shuffle.

Whenever Roxanne, Starfall Savant enters the battlefield or attacks, create a tapped colorless artifact token named Meteorite with "When Meteorite enters the battlefield, it deals 2 damage to any target" and ": Add one mana of any color."

Whenever you tap an artifact token for mana, add one mana of any type that artifact token produced.

At the beginning of combat on your turn, choose an opponent at random. Ruhan of the Fomori attacks that player this combat if able.

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

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

When Rune-Brand Juggler enters the battlefield, 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 you have 30 or more life, flip Rune-Tail, Kitsune Ascendant.

Enchant creature with power 3 or less

When Runner's Bane enters the battlefield, tap enchanted creature.

Enchanted creature doesn't untap during its controller's untap step.

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

: Add .

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

When Ruthless Technomancer enters the battlefield, 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 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.

Menace

At the beginning of your end step, if you have the initiative, create a Treasure token. Create three of those tokens instead if you've completed a dungeon.

Choose a Background (You can have a Background as a second commander.)

If you would draw a card, instead reveal the top three cards of your library. Put all creature cards revealed this way into your hand and the rest on the bottom of your library in any order.

, : Create a token that's a copy of another target creature or artifact you control, except it's an artifact in addition to its other types. It gains haste. Sacrifice it at the beginning of the next end step.

When Sailor of Means enters the battlefield, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Whenever Saint Traft and Rem Karolus becomes tapped, create a 1/1 red Human creature token if this is the first time this ability has resolved this turn. If it's the second time, create a 1/1 blue Spirit creature token with flying. If it's the third time, create a 4/4 white Angel creature token with flying.

Whenever you cast a spell that has convoke, untap Saint Traft and Rem Karolus.

You may sacrifice three artifacts rather than pay this spell's mana cost.

Exile three artifact cards from your graveyard: Return Salvage Titan from your graveyard to your hand.

Partner with Frodo, Adventurous Hobbit (When this creature enters the battlefield, target player may put Frodo into their hand from their library, then shuffle.)

At the beginning of combat on your turn, create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Activated abilities of Foods you control cost less to activate.

Creatures you control have haste.

−1: Target creature gets +2/+1 and gains haste until end of turn. Scry 1.

Protection from black and from red

When Sanctifier en-Vec enters the battlefield, exile all cards that are black or red from all graveyards.

If a black or red permanent, spell, or card not on the battlefield would be put into a graveyard, exile it instead.

Destroy target artifact or enchantment. You gain 3 life.

As Sanctuary Blade becomes attached to a creature, choose a color.

Equipped creature gets +2/+0 and has protection from the last chosen color.

Equip

Humans you control get +1/+1.

, Tap two untapped Humans you control: Tap target creature an opponent controls.

First strike

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

When you cycle Sanctuary Smasher, put a first strike counter on target creature you control.

Flying

Sanctuary Warden enters the battlefield with two shield counters on it.

Whenever Sanctuary Warden enters the battlefield or attacks, you may remove a counter from a creature or planeswalker you control. If you do, draw a card and create a 1/1 green and white Citizen creature token.

Flying

When Sanctum Gargoyle enters the battlefield, you may return target artifact card from your graveyard to your hand.