This creature enters with X +1/+1 counters on it, where X is the greatest power among creatures you control and creature cards in your graveyard.

Protection Fighting Style — When this creature enters, exile up to one target non-Warrior creature you control, then return it to the battlefield under its owner's control.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. It perpetually gains "This creature attacks each combat if able."

Flash
Flying
Tail Spikes — When this creature enters, destroy target creature an opponent controls that was dealt damage this turn.

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

Target creature gets -11/-11 until end of turn.

Trample
Keen Senses — When this creature enters, draw a card.

Haste, double team (When this creature attacks, conjure a duplicate into your hand, then both of them perpetually lose double team.)

You may mill three cards. Then return a creature card from your graveyard to the battlefield. (To mill a card, put the top card of your library into your graveyard.)

Molting Exoskeleton — When Hook Horror dies, it perpetually gets -1/-1. Then if that card's toughness is 1 or greater, return it to the battlefield under its owner's control.

Farideh's Fireball deals 5 damage to target creature or planeswalker. Roll a d20.
1—9 | Farideh's Fireball deals 2 damage to each player.
10—20 | Farideh's Fireball deals 2 damage to each opponent.

Beacon of Hope — When this creature enters, creatures you control get +1/+1 and gain vigilance until end of turn.

Flying
Whirlwind — When this creature enters, return up to one other target creature to its owner's hand.

Siege Monster — When this creature enters, roll a d20.
1—9 | Each player sacrifices a permanent of their choice.
10—19 | Each opponent sacrifices a permanent of their choice.
20 | Each opponent sacrifices two permanents of their choice.

Target creature gets -11/-11 until end of turn.

When this creature enters, you gain 3 life.

When this creature enters, choose one —
• Antimagic Cone — Each opponent sacrifices an enchantment of their choice.
• Fear Ray — Creatures you control gain menace until end of turn. (A creature with menace can't be blocked except by two or more creatures.)

Flying, double team (When this creature attacks, conjure a duplicate into your hand, then both of them perpetually lose double team.)

When Baleful Beholder enters, choose one —
• Antimagic Cone — Each opponent sacrifices an enchantment.
• Fear Ray — Creatures you control gain menace until end of turn. (A creature with menace can't be blocked except by two or more creatures.)

Hexproof (This creature can't be the target of spells or abilities your opponents control.)
Whenever this creature attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom.)