Each player can't cast more than one spell each turn.

Vigilance
Whenever you attack with two or more creatures, this creature becomes prepared.

Whenever a Samurai or Warrior you control attacks alone, it gets +1/+1 until end of turn.

Flying
At the beginning of your upkeep, return a white creature you control to its owner's hand.

: Target permanent you control gains protection from white until end of turn.
: Target spell or permanent becomes white until end of turn.

Cast this spell only during the declare attackers step and only if you've been attacked this step.
Destroy target attacking creature.

Flying, lifelink
Creature spells you cast have convoke.
At the beginning of your first main phase, you may pay . If you do, transform Eirdu.

Other Phyrexians you control get +1/+1.
Each Equipment you control has living weapon.

Flying, first strike

Enchant creature
Enchanted creature gets +0/+4.
Umbra armor

When this creature dies, put a +1/+1 counter on target creature you control. If that creature is a Human, put two +1/+1 counters on it instead.

Defender, trample
When this creature blocks, it loses defender.

Devoid
: Exile another target creature, then return it to the battlefield tapped under its owner's control.

When Elena enters, return target non-Assassin historic card from your graveyard to your hand. (Artifacts, legendaries, and Sagas are historic.)
Whenever you cast a historic spell, put a +1/+1 counter on Elena.

Flying
Whenever you gain life, put a +1/+1 counter on this creature.
When this creature dies, create X 1/1 white Vampire creature tokens with lifelink, where X is its power.

Vigilance
Whenever a source an opponent controls deals damage to you or a permanent you control, that source's controller loses 2 life unless they pay .
, Sacrifice three other creatures: Exile Elesh Norn, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery.

Vigilance
Other creatures you control get +2/+2.
Creatures your opponents control get -2/-2.

Vigilance
If a permanent entering causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.
Permanents entering don't cause abilities of permanents your opponents control to trigger.

Lifelink
When this creature dies, create a 1/1 white Spirit creature token with flying.

: This creature deals 3 damage to target attacking or blocking creature.

, : Tap target creature.

First strike, vigilance
Protection from Vampires, from Werewolves, and from Zombies

This creature enters prepared.

Whenever this creature blocks, it deals 1 damage to target attacking creature.

When this creature enters, bolster 2.
Whenever a creature you control with a +1/+1 counter on it attacks, tap target creature defending player controls.

Heroic — Whenever you cast a spell that targets this creature, you may tap target creature.

Flying
When this creature enters, look at target opponent's hand. You may exile a nonland card from it. For as long as that card remains exiled, its owner may play it. A spell cast this way costs more to cast.

: Look at the top X cards of your library, where X is the number of tokens you created this turn. Put one of those cards into your hand and the rest on the bottom of your library in a random order.
Choose a Background (You can have a Background as a second commander.)