Whenever another creature you control enters, it gets +2/+0 and gains haste until end of turn. When Enduring Courage dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.)

Cats you control have protection from Rats. (They can't be blocked, targeted, or dealt damage by Rats.) At the beginning of your end step, target opponent creates a 1/1 black Rat creature token with deathtouch. Whenever a Rat dies, put a +1/+1 counter on each Cat you control.

{T}: Add {C}. {2}, {T}: Put a +1/+1 counter on target Bird, Cat, Dog, Goat, Ox, or Snake.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {R}{W}.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

({T}: Add {G}.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {R}{G}.

This land enters tapped. {T}: Add {R}, {G}, or {W}.

({T}: Add {R}.)

({T}: Add {W}.)

You have no maximum hand size. {T}: Add {C}.

When this land enters, sacrifice it unless you return a non-Lair land you control to its owner's hand. {T}: Add {R}, {G}, or {W}.

Destroy target artifact, battle, enchantment, or creature with flying.

Choose one — • Search your library for a basic land card, reveal it, put it into your hand, then shuffle. • Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

Sacrifice this creature: Destroy target enchantment.

Other Cats you control get +1/+1 and have protection from Dogs. Whenever one or more Cats you control deal combat damage to a player, destroy up to one target artifact or enchantment that player controls.

Assist (Another player can pay up to {6} of this spell's cost.) Exile all nonland permanents.

When this creature enters, destroy target artifact or enchantment an opponent controls.

When this creature enters, put a +1/+1 counter on target creature you control. Each creature you control with a +1/+1 counter on it has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

0: Roll a six-sided die. 1 or 2 — [+2], then create two 1/1 green Squirrel creature tokens. They gain haste until end of turn. 3 — [−1], then return a card with mana value 2 or less from your graveyard to your hand. 4 or 5 — Comet deals damage equal to the number of loyalty counters on him to a creature or player, then [−2]. 6 — [+1], and you may activate Comet's loyalty ability two more times this turn.

This creature gets +1/+1 for each other Cat you control. {W}, {T}, Exert this creature: Create two 1/1 white Cat creature tokens with lifelink. (An exerted creature won't untap during your next untap step.)

Vigilance (Attacking doesn't cause this creature to tap.)

When Dogmeat enters, mill five cards, then return an Aura or Equipment card from your graveyard to your hand. Whenever a creature you control that's enchanted or equipped attacks, create a Junk token. (It's an artifact with "{T}, Sacrifice this token: Exile the top card of your library. You may play that card this turn. Activate only as a sorcery.")

Disguise {1}{W} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.) When this creature is turned face up, return another target permanent you control to its owner's hand and put a +1/+1 counter on this creature.

Vigilance Whenever one or more +1/+1 counters are put on this creature, put a +1/+1 counter on each other creature you control. This ability triggers only once each turn.

Whenever this creature attacks, it gets +1/+1 until end of turn.

Bestow {5}{G} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.) Trample Enchanted creature gets +3/+3 and has trample.

When this creature dies, create a 2/1 black Cat creature token.

{G}{W}: This creature gains indestructible until end of turn. When this creature dies, return it to the battlefield. It's an Aura enchantment with enchant creature you control and "{G}{W}: Enchanted creature gains indestructible until end of turn," and it loses all other abilities.

{3}{G}{W}: Monstrosity 1. (If this creature isn't monstrous, put a +1/+1 counter on it and it becomes monstrous.) As long as this creature is monstrous, it has hexproof and indestructible.

Other Dogs you control get +1/+1. Whenever this creature attacks, prevent all combat damage that would be dealt this turn to Dogs you control.

Flash (You may cast this spell any time you could cast an instant.) When this creature enters, you gain protection from the color of your choice until end of turn. (You can't be targeted, dealt damage, or enchanted by anything of the chosen color.)

Sacrifice this creature: Another target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

{3}, {T}: Draw a card.

{X}, {T}: Draw a card. X is the number of cards in an opponent's hand.

Draw a card for each creature you control.

Each opponent draws a card, then you draw a card for each opponent who drew a card this way.

When this creature dies, draw a card.

When this creature enters, draw a card.

When this creature enters, draw a card.

When this creature enters, draw a card.

{T}: Add one mana of any color in your commander's color identity.

At the beginning of your upkeep, this creature deals 2 damage to you for each Treasure you control. {T}: Create a Treasure token.

Search your library for up to X basic land cards, where X is the number of lands you control, put them onto the battlefield tapped, then shuffle.

{T}, Remove a component counter from this artifact: Add two mana of different colors. {T}: Roll a d20. 1—9 | Put a component counter on this artifact. 10—20 | Put two component counters on this artifact.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

You have no maximum hand size. {T}: Add one mana of any color.

Green spells you cast cost {1} less to cast.

Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Trample Channel — {2}{G}, Discard this card: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Vigilance, trample When this creature enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Vigilance When this creature enters, if an opponent controls more lands than you, search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.

Search your library for a basic land card, reveal it, put it into your hand, then shuffle. Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")

White spells you cast cost {1} less to cast.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.