Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.)
Equipped creature gets +1/+1 and has vigilance and lifelink.
Equip

, Sacrifice another creature: This creature explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Other Squirrels you control get +1/+1.

Discard a card: Transform this creature. Activate only once each turn.

Whenever this creature or another Zombie you control dies, you draw a card and you lose 1 life.

, Discard a card: Create a 0/3 blue Crab creature token.
Delirium — Crabs you control get +1/+1 as long as there are four or more card types among cards in your graveyard.

Trample
At the beginning of combat on your turn, you may discard a card. If you do, this creature gets +3/+0 until end of turn.

Discard a card: This creature gets +2/-2 until end of turn.

, : Create a 2/2 colorless Shapeshifter creature token with changeling. (It is every creature type.)

As this enchantment enters, choose a creature type.
Creatures you control of the chosen type get +1/+1.
, Sacrifice a creature of the chosen type: Target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

When Manor Guardian dies, each player seeks a nonland card with mana value 2 or less. (To seek a card, put one at random from your library into your hand.)

First strike
Whenever this creature becomes tapped, you may discard a card. If you do, draw a card.

Flying
When this creature leaves the battlefield, return target creature card with power 1 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.)

Sliver creatures you control have "When this creature enters, it deals 1 damage to target player or planeswalker and you gain 1 life."

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)
Exile target attacking or blocking creature.

Whenever a creature you control with a +1/+1 counter on it deals combat damage to a player, you may draw a card.

Sliver creatures you control have ": Untap this creature."

This creature can't be blocked.
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.)

Create three 1/1 red Goblin creature tokens.

Sliver creatures you control have menace. (They can't be blocked except by two or more creatures.)

Flying
: Another target creature gains flying until end of turn.
Channel — , Discard this card: X target creatures gain flying until end of turn.

Unblocked attacking Ninjas you control have lifelink.

First strike
When this creature enters, put a +1/+1 counter on each other artifact creature you control.
Modular 2 (This creature enters with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Discard a card, then draw two cards.

Outlast (, : Put a +1/+1 counter on this creature. Outlast only as a sorcery.)
Each creature you control with a +1/+1 counter on it has flying.

At the beginning of your end step, choose one —
• You gain 1 life.
• Return target creature card with mana value 1 from your graveyard to the battlefield.

Other Cats you control get +2/+1.

: Add .

Whenever a creature is exiled from the battlefield, put a +1/+1 counter on this creature.
At the beginning of your end step, you may exile another target creature you control, then return that card to the battlefield under its owner's control.

When this creature enters, put a +1/+1 counter on each other Shaman creature you control.
Whenever a creature you control with a +1/+1 counter on it attacks, you may have that creature deal 1 damage to target player or planeswalker.

Flying
Whenever this creature attacks, if you control three or more tokens, this creature gets +2/+0 and gains first strike until end of turn.

Landfall — Whenever a land you control enters, create a Food token or a Treasure token. (Food is an artifact with ", , Sacrifice this token: You gain 3 life." Treasure is an artifact with ", Sacrifice this token: Add one mana of any color.")

When this creature enters, each player sacrifices a creature of their choice.

Sliver creatures you control get +0/+1.

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.)
Whenever one or more +1/+1 counters are put on this creature, you may create a 1/1 green Squirrel creature token.

Sliver creatures you control have "Whenever this creature deals combat damage to a player, put a +1/+1 counter on it."