Flying

Whenever Aetherstorm Roc or another creature you control enters, you get (an energy counter).

Whenever Aetherstorm Roc attacks, you may pay . If you do, put a +1/+1 counter on it and tap up to one target creature defending player controls.

Flying

When this creature enters, you may destroy target nonland permanent.

Target player mills two cards, draws two cards, and loses 2 life. (To mill a card, a player puts the top card of their library into their graveyard.)

Trample

When Aurochs Herd enters, you may search your library for an Aurochs card, reveal it, put it into your hand, then shuffle.

Whenever Aurochs Herd attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.

During your turn, creatures you control have hexproof.

Each creature you control with toughness greater than its power assigns combat damage equal to its toughness rather than its power.

Bloodrock Cyclops attacks each combat if able.

Trample

Whenever Bull Aurochs attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.

Enchant non-Wall creature

Enchanted creature gets +1/+0.

At the beginning of your upkeep, put a +1/+0 counter on enchanted creature. If that creature has three or more +1/+0 counters on it, it deals damage equal to its power to its controller, then destroy that creature and it can't be regenerated.

Reach (This creature can block creatures with flying.)

Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

Search your library for an Arcane card, reveal that card, put it into your hand, then shuffle.

At the beginning of combat on your turn, choose one —

• Target creature you control gets +2/+0 until end of turn.

• Target creature you control gains menace and haste until end of turn.

When Ferocious Pup enters, create a 2/2 green Wolf creature token.

Trample

Enchant creature

Whenever enchanted creature blocks or becomes blocked, you may put a +1/+1 counter on it.

Whenever one or more nontoken creatures die, create a 2/2 black Zombie creature token with decayed. This ability triggers only once each turn. (A creature with decayed can't block. When it attacks, sacrifice it at end of combat.)

Create a Monster Role token attached to target creature you control. (Enchanted creature gets +1/+1 and has trample.)

, Sacrifice Implement of Ferocity: Put a +1/+1 counter on target creature. Activate only as a sorcery.

When Implement of Ferocity is put into a graveyard from the battlefield, draw a card.

: Target creature can't be blocked this turn. If that creature is a Snake, it gets +2/+2 until end of turn.

Flash

Flying

When Koilos Roc enters, create a tapped Powerstone token. (It's an artifact with ": Add . This mana can't be spent to cast a nonartifact spell.")

When Marsh Crocodile enters, return a blue or black creature you control to its owner's hand.

When Marsh Crocodile enters, each player discards a card.

Orochi Hatchery enters with X charge counters on it.

, : Create a 1/1 green Snake creature token for each charge counter on Orochi Hatchery.

: Add .

As long as Orochi Merge-Keeper is modified, it has ": Add ." (Equipment, Auras you control, and counters are modifications.)

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever one or more creatures you control deal combat damage to a player, create a Treasure token and manifest the top card of that player's library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

Snake offering (You may cast this spell any time you could cast an instant by sacrificing a Snake and paying the difference in mana costs between this and the sacrificed Snake. Mana cost includes color.)

: Untap all Forests and all green creatures. Activate only once each turn.

Processing Plant enters the battlefield tapped.

When Processing Plant enters the battlefield, you may put a card an opponent owns from exile into that player's graveyard. If you do, untap Processing Plant. Otherwise, exile the top card of each opponent's library.

: Add , , , or .

Return up to three target creature cards with mana value 1 or less from your graveyard to the battlefield.

Forecast — , Reveal Proclamation of Rebirth from your hand: Return target creature card with mana value 1 or less from your graveyard to the battlefield. (Activate only during your upkeep and only once each turn.)

Trample

Whenever you cast a noncreature spell, put a +1/+1 counter on Pyroceratops.

Kinship — At the beginning of your upkeep, you may look at the top card of your library. If it shares a creature type with Pyroclast Consul, you may reveal it. If you do, Pyroclast Consul deals 2 damage to each creature.

When Pyroclastic Hellion enters, you may return a land you control to its owner's hand. When you do, Pyroclastic Hellion deals 2 damage to each opponent.

Menace

Players can't gain life.

Whenever another creature enters, Rampaging Ferocidon deals 1 damage to that creature's controller.

Exile target creature that dealt damage to you this turn.

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

Rimrock Knight can't block.

Defender (This creature can't attack.)

When Roc Egg dies, create a 3/3 white Bird creature token with flying.

Reach

When Rocco, Cabaretti Caterer enters, if you cast it, you may search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.

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

Rock Hydra enters with X +1/+1 counters on it.

For each 1 damage that would be dealt to Rock Hydra, if it has a +1/+1 counter on it, remove a +1/+1 counter from it and prevent that 1 damage.

: Prevent the next 1 damage that would be dealt to Rock Hydra this turn.

: Put a +1/+1 counter on Rock Hydra. Activate only during your upkeep.

Creatures named Scissors Lizard can't attack or block.

Reach

When Rock Star enters, you may discard a card. If you do, reveal the top five cards of your library. Ask a person outside the game to choose which of them is most like a rock band. Put that card into your hand and the rest on the bottom of your library in a random order.

: Rocket Launcher deals 1 damage to any target. Destroy Rocket Launcher at the beginning of the next end step. Activate only if you've controlled Rocket Launcher continuously since the beginning of your most recent turn.

: Add .

: Add . Spend this mana only to cast a creature spell.

, : Target Lizard, Mouse, Otter, or Raccoon you control gets +1/+0 and gains haste until end of turn. Activate only as a sorcery.

Double strike (This creature deals both first-strike and regular combat damage.)

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

First strike

Whenever another creature dies, you may put a +1/+1 counter on Rockslide Elemental.

Rocky Tar Pit enters tapped.

, Sacrifice Rocky Tar Pit: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

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

Reveal your hand: If you have seven or more land cards in your hand, flip Sasaya, Orochi Ascendant.

: Sewer Crocodile can't be blocked this turn. This ability costs less to activate if there are five or more mana values among cards in your graveyard.