Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays , where X is this creature's power.

Change the target of target spell with a single target unless that spell's controller pays .

Search your library for an artifact card, reveal it, put it into your hand, then shuffle.

When you cast this spell, draw four cards.
Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents of their choice.)
When Kozilek is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

When this creature enters or leaves the battlefield, choose a land of each basic land type, then destroy those lands.

Untap target creature. After this main phase, there is an additional combat phase followed by an additional main phase.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)

: Add one mana of any color.
Whenever you tap this land for mana, target opponent creates a 1/1 colorless Spirit creature token.

If you control a commander, you may cast this spell without paying its mana cost.
You may choose new targets for target spell or ability.

Protection from Humans
Pay 1 life, Sacrifice another creature: Put a -1/-1 counter on up to one target creature and draw a card.
, Discard a card: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

: Draw a card.

Equipped creature gets +2/+2 and has protection from red and from blue.
Whenever equipped creature deals combat damage to a player, this Equipment deals 2 damage to any target and you draw a card.
Equip

: All creatures gain trample and haste until end of turn.
: Put a +1/+1 counter on target creature.
: Target player gains 5 life.
: Target player draws a card.
: Put target creature card from a graveyard onto the battlefield under its owner's control.

: Add .
, : Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

Search your library for a card, put that card into your hand, then shuffle.

Equipped creature gets +1/+1 and has trample and lifelink.
: Permanents your opponents control lose hexproof and indestructible until end of turn.
Equip

(: Add .)

At the beginning of combat on your turn, choose up to one target Vehicle you control. Until end of turn, it becomes an artifact creature and gains haste.
+2: You may sacrifice an artifact or discard a card. If you do, draw a card.
0: Create a 3/2 colorless Vehicle artifact token with crew 1.
−7: You get an emblem with "Whenever an artifact you control enters, this emblem deals 3 damage to any target."

Creature spells you cast cost less to cast.

Avoidance — Whenever you cast a noncreature spell, exile up to one target nonland permanent you control, then return that card to the battlefield under its owner's control.