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

When this creature enters, discard two cards, then draw two cards. For each nonland card discarded this way, create a 1/1 red Elemental creature token.
, Exile this card from your graveyard: Create two 1/1 red Elemental creature tokens.

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.)

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 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.)

Flying, lifelink

Svyelun has indestructible as long as you control at least two other Merfolk.
Whenever Svyelun attacks, draw a card.
Other Merfolk you control have ward . (Whenever another Merfolk you control becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

Enchant creature
Enchanted creature can't attack or block.
When this Aura enters, support 2. (Put a +1/+1 counter on each of up to two target creatures.)

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.)

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

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)
If one or more tokens would be created under your control, those tokens plus that many 1/1 green Squirrel creature tokens are created instead.
, Sacrifice X Squirrels: Target creature gets +X/-X until end of turn.

Trample
When this creature enters, you get (an energy counter).
Whenever this creature attacks, you may pay . If you do, it gets +2/+0 until end of turn.

, , Pay 1 life: Draw a card. Activate only if you've discarded a card this turn.

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever this creature deals combat damage to a player, create a token that's a copy of this creature.

When this creature enters, create a 3/3 colorless Phyrexian Golem artifact creature token.
Golems you control have first strike.

As an additional cost to cast this spell, sacrifice a permanent.
Exile target artifact, creature, or enchantment.

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

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

This creature enters with a +1/+1 counter on it for each Zombie card in your graveyard.
Whenever you cast a Zombie spell, create a tapped 2/2 black Zombie creature token.

When this creature enters, it deals 1 damage to any target.

Whenever this creature or another creature you control dies, scry 1.

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 for each artifact and/or enchantment you control.
Equip

During your turn, this creature gets +2/+0.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Sacrifice another creature: Until end of turn, this creature becomes a Dragon with base power and toughness 4/4, flying, and haste.

When Veteran Charger enters the battlefield, choose a creature card in your hand. It perpetually gets +2/+2.

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.")

Deathtouch
When this creature dies, create a Treasure token. (It's an artifact with ", Sacrifice this token: Add one mana of any color.")

As long as you've drawn two or more cards this turn, this creature has double strike.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. If that creature is a Goat, it also gets +3/+0 until end of turn.

At the beginning of your upkeep, if this card is the only creature card in your graveyard, you may return this card to the battlefield.

When this creature enters, target creature an opponent controls gets -1/-1 until end of turn.

Trample
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.)

Destroy target creature with power 4 or greater.
Cycling (, Discard this card: Draw a card.)

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