Choose one —
• Exile target creature with power 3 or greater.
• You draw two cards and you lose 2 life.
• Distribute two +1/+1 counters among one or two target creatures.

Outlast (, : Put a +1/+1 counter on this creature. Outlast only as a sorcery.)
Each creature you control with a +1/+1 counter on it has flying.

Academy Elite enters the battlefield with X +1/+1 counters on it, where X is the number of instant and sorcery cards in all graveyards.
, Remove a +1/+1 counter from Academy Elite: Draw a card, then discard a card.

Aeon Chronicler's power and toughness are each equal to the number of cards in your hand.
Suspend X—. X can't be 0. (Rather than cast this card from your hand, you may pay and exile it with X time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost. It has haste.)
Whenever a time counter is removed from Aeon Chronicler while it's exiled, draw a card.

First strike, vigilance
Akiri, Line-Slinger gets +1/+0 for each artifact you control.
Partner (You can have two commanders if both have partner.)

Defender
When Akroan Horse enters the battlefield, an opponent gains control of it.
At the beginning of your upkeep, each opponent creates a 1/1 white Soldier creature token.

First strike
Whenever Alesha, Who Smiles at Death attacks, you may pay . If you do, return target creature card with power 2 or less from your graveyard to the battlefield tapped and attacking.

Draw cards equal to the number of cards in your hand, then discard a card for each card drawn this way.
Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle your library.)

Haste
Whenever Ankle Shanker attacks, creatures you control gain first strike and deathtouch until end of turn.

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep.
You draw a card at the beginning of the next turn's upkeep.

Arcane Sanctum enters the battlefield tapped.
: Add , , or .

Whenever Armory Automaton enters the battlefield or attacks, you may attach any number of target Equipment to it. (Control of the Equipment doesn't change.)

Create thirteen tapped 2/2 black Zombie creature tokens.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Destroy target artifact. It can't be regenerated. Create X 1/1 green Saproling creature tokens, where X is that artifact's converted mana cost.

: Add .
Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle your library.)

Equipped creature gets +2/+2, has haste, can't attack you or a planeswalker you control, and can't be sacrificed.
At the beginning of each opponent's upkeep, you may have that player gain control of equipped creature until end of turn. If you do, untap it.
Equip

Astral Cornucopia enters the battlefield with X charge counters on it.
: Choose a color. Add one mana of that color for each charge counter on Astral Cornucopia.

Flying, vigilance, deathtouch, lifelink
At the beginning of your end step, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Destroy target enchantment. Create X 1/1 green Saproling creature tokens, where X is that enchantment's converted mana cost.

Azorius Chancery enters the battlefield tapped.
When Azorius Chancery enters the battlefield, return a land you control to its owner's hand.
: Add .