Prime Speaker Zegana enters with X +1/+1 counters on it, where X is the greatest power among other creatures you control.
When Prime Speaker Zegana enters, draw cards equal to its power.

Until end of turn, creatures you control gain trample and get +X/+X, where X is the greatest power among creatures you control.

Changeling (This card is every creature type.)

Haste (This creature can attack and as soon as it comes under your control.)
At the beginning of the end step, return this creature to its owner's hand. (Return it only if it's on the battlefield.)

Menace
Assassin spells you cast have freerunning . (You may cast a spell for its freerunning cost if you dealt combat damage to a player this turn with an Assassin or commander.)
Whenever Ezio deals combat damage to a player, you may pay if that player has 10 or less life. When you do, that player loses the game.

Vigilance

Compleated ({G/U/P} can be paid with , , or 2 life. If life was paid, this planeswalker enters with two fewer loyalty counters.)
+1: Tap up to one target artifact or creature. It doesn't untap during its controller's next untap step.
−X: Exile target nonland permanent card with mana value X from your graveyard. Create a token that's a copy of that card.
−7: Create Tamiyo's Notebook, a legendary colorless Book artifact token with "Spells you cast cost less to cast" and ": Draw a card."

Enchant creature
Whenever enchanted creature deals damage to an opponent, you may draw a card.

When Kogla enters, it fights up to one target creature you don't control.
Whenever Kogla attacks, destroy target artifact or enchantment defending player controls.
: Return target Human you control to its owner's hand. Kogla gains indestructible until end of turn.

Return target creature to its owner's hand. You create a token that's a copy of that creature.

Vigilance
Kithkin Rabble's power and toughness are each equal to the number of white permanents you control.

: This creature deals 1 damage to each creature without flying and each player. Any player may activate this ability.

When this creature enters, it fights up to one target creature you don't control.
Sacrifice a Food: Put a +1/+1 counter on this creature. It gains indestructible until end of turn. Tap it.

At the beginning of your upkeep, target opponent discards a card for each Shrine you control.

This creature enters with five +1/+1 counters on it.
Whenever a player casts a spell, remove a +1/+1 counter from this creature. If you do, create a 2/2 black Zombie creature token.

Flying
Whenever a player sacrifices another permanent, put a +1/+1 counter on each creature you control.

Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.

Whenever this creature or another creature you control dies, each opponent loses 1 life and you gain 1 life.

Lifelink
Flesh Flayer — When this creature enters, mill three cards.

Search your library for a blue instant card, reveal that card, put it into your hand, then shuffle.