Flying
When this creature enters, target creature or Vehicle gains lifelink and indestructible until end of turn.

First strike
Provoke

: Prevent the next 2 damage that would be dealt to any target this turn.

At the beginning of combat on your turn, put a +1/+1 counter on another target creature you control.

Artifacts, creatures, and lands your opponents control enter tapped.

When this creature enters, you may have your life total become the total toughness of creatures you control.
: This creature gets +X/+X until end of turn, where X is your life total.

, : Regenerate target artifact.

, : Tap target creature.

At the beginning of your upkeep, the player with the lowest life total gains control of this creature. If two or more players are tied for lowest life total, you choose one of them, and that player gains control of this creature.

This creature gets +2/+2 for each Equipment attached to it.

Convoke
When this creature enters, you gain 4 life.

Vigilance
When this creature enters, other creatures you control gain vigilance until end of turn.

Vigilance
: This creature gets +0/+1 until end of turn.

Vigilance
When this creature dies, return it to the battlefield transformed under your control at the beginning of the next end step.

Flash
Flying
When this creature enters, you may return another creature you control to its owner's hand.

Defender, flying
Whenever you cast a white spell, this creature loses defender until end of turn.

Flying
This creature can't attack or block alone.

Sacrifice this creature: Return target legendary creature card from your graveyard to the battlefield. Activate only during your turn, before attackers are declared.

When this creature blocks a creature, destroy that creature and this creature.

Vigilance
Lieutenant — At the beginning of combat on your turn, if you control your commander, prevent all combat damage that would be dealt to creatures you control this turn. Other creatures you control gain vigilance until end of turn.

Vigilance
When this creature enters, if an opponent controls more lands than you, search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.

Golden Rule — Whenever a token enters, you may have target player other than its controller create a token that's a copy of it, then you draw a card if an opponent created a token this way. Do this only once each turn.

Unbreakable Skin — Whenever Luke Cage attacks alone, he gets +2/+0 and gains indestructible until end of turn.

Flying
Specialize
When Lulu, Forgetful Hollyphant enters, you get a boon with "When you cast your next creature spell without flying, it perpetually gains flying."

This card can changes to one of the different specialized versions, depending on which color was discarded:
Lulu, Helpful Hollyphant
Lulu, Curious Hollyphant
Lulu, Vengeful Hollyphan
Lulu, Inspiring Hollyphant
Lulu, Wild Hollyphant

Flying
Whenever you attack with one or more other creatures with flying, you gain twice that much life.

This card is a specialized version of Lulu, Forgetful Hollyphant.

Flying
At the beginning of your end step, if a permanent you controlled left the battlefield this turn, put a +1/+1 counter on each tapped creature you control, then untap them.
Choose a Background (You can have a Background as a second commander.)