Exile target creature. Its controller manifests the top card of their library. (That player puts the top card of their library onto the battlefield face down as a 2/2 creature. If it's a creature card, it can be turned face up any time for its mana cost.)

Other Cats you control get +1/+1 and have lifelink.
When Regal Caracal enters the battlefield, create two 1/1 white Cat creature tokens with lifelink.

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.

When Rest in Peace enters the battlefield, exile all cards from all graveyards.
If a card or token would be put into a graveyard from anywhere, exile it instead.

Landfall — Whenever a land enters the battlefield under your control, choose one —
• You may tap or untap target creature.
• Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Flying
When Reveillark leaves the battlefield, return up to two target creature cards with power 2 or less from your graveyard to the battlefield.
Evoke (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Aftermath (Cast this spell only from your graveyard. Then exile it.)
Each opponent loses X life.

: Add .
, : Return target Wizard you control to its owner's hand.

, 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 converted mana cost 3 or less from your graveyard to your hand.)

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.

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

, Sacrifice a Scarecrow: Draw a card.
, : Return target artifact creature card from your graveyard to the battlefield.

Flying
Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)
Whenever Scourge of the Throne attacks for the first time each turn, if it's attacking the player with the most life or tied for most life, untap all attacking creatures. After this phase, there is an additional combat phase.

, : Exile any number of cards from your hand face down. Put that many cards from the top of your library into your hand. Then look at the exiled cards and put them on top of your library in any order.

All Sliver creatures have "This creature gets +1/+1 as long as you control a Swamp."
All Slivers have ": Regenerate this permanent."

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)
, : Put a training counter on target creature. That creature gains bushido 1 and becomes a Samurai in addition to its other creature types. Activate this ability only any time you could cast a sorcery.

Sacrifice Shambling Shell: Put a +1/+1 counter on target creature.
Dredge 3 (If you would draw a card, you may mill three cards instead. If you do, return this card from your graveyard to your hand.)

Hideaway (This land enters the battlefield tapped. When it does, look at the top four cards of your library, exile one face down, then put the rest on the bottom of your library.)
: Add .
, : You may play the exiled card without paying its mana cost if a library has twenty or fewer cards in it.

Shivan Meteor deals 13 damage to target creature.
Suspend 2— (Rather than cast this card from your hand, you may pay and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

Equipped creature has ", Unattach Shuriken: Shuriken deals 2 damage to target creature. That creature's controller gains control of Shuriken unless it was unattached from a Ninja."
Equip (: Attach to target creature you control. Equip only as a sorcery.)