At the beginning of combat on your turn, if you control another creature with power 4 or greater, put a +1/+1 counter on this creature.

Enchant creature
Enchanted creature has defender.

Flying
: Tap target creature with flying.

Defender (This creature can't attack.)
Flying

Equipped creature gets +3/+3.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Exile target attacking creature and all Equipment attached to it.

Activated abilities cost more to activate unless they're mana abilities.

Whenever a creature enters, if it entered from your graveyard or you cast it from your graveyard, return this card from your graveyard to the battlefield tapped at the beginning of the next end step.

Infusion — Look at the top four cards of your library. You may reveal a creature or land card from among them and put it into your hand. If you gained life this turn, you may instead reveal two creature and/or land cards from among them and put them into your hand. Put the rest on the bottom of your library in a random order.

Flying
Whenever this creature attacks, target creature defending player controls gets -2/-0 and loses flying until your next turn.

, Mill a card: Add . (Activate only as an instant. To mill a card, put the top card of your library into your graveyard.)

Flying
, Discard a card: Put two +1/+1 counters on this creature.

Delirium — This creature has menace as long as there are four or more card types among cards in your graveyard. (A creature with menace can't be blocked except by two or more creatures.)

Vigilance
This creature has haste as long as you own a card in exile that has an Adventure.

Return up to two target nonland permanents to their owners' hands.

Flying
Whenever a source an opponent controls deals damage to you or a permanent you control, you may have this creature deal 1 damage to that source's controller.

Flash
Flying

Whenever you cast a multicolored spell, this enchantment deals X damage to any target, where X is the number of colors that spell is.

Flying, vigilance
When this creature enters, return to your hand all cards in your graveyard that were put there from the battlefield this turn.
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Flying
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)