Flash
When this creature enters, prevent all damage that would be dealt to you this turn.
Whenever damage that would be dealt to you is prevented, put that many +1/+1 counters on this creature.

When this creature enters, create a 1/1 white Bird creature token with flying.

Rulebreaker — A deck with this commander can have Angel cards of any color identity and any basic land cards.
Flying
Whenever Seluma deals combat damage to a player, return target Angel creature card from your graveyard to the battlefield.

Exile any number of target creatures and/or planeswalkers you control. At the beginning of the next end step, return each of them to the battlefield under its owner's control. Each of them enters with an additional +1/+1 counter on it if it's a creature and an additional loyalty counter on it if it's a planeswalker.

Bushido 1
, : Put a training counter on target creature. That creature gains bushido 1 and becomes a Samurai in addition to its other creature types. Activate only as a sorcery.

When this creature enters, create a 3/3 colorless Phyrexian Golem artifact creature token.
Golem creatures you control have vigilance.

Vigilance
At the beginning of combat on each opponent's turn, tap target creature that player controls.

Sliver creatures you control have vigilance.

Enchant creature
Enchanted creature gets +1/+1 and has vigilance.
Escape — , Exile two other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Flash
Enchant creature
Enchanted creature gets +1/+2 and has vigilance.
Addendum — When this Aura enters, if you cast it during your main phase, enchanted creature gains lifelink until end of turn.

Flash
This spell costs less to cast for each creature attacking you.
When this creature enters, you get for each creature attacking you.
At the beginning of combat on your turn, you may pay . If you do, put a +1/+1 counter on each creature you control.

Defender
At the beginning of combat on your turn, you may clash with an opponent. If you win, this creature gets +2/+0 and loses defender until end of turn. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

Flying, vigilance
, Exile Senu: You gain 2 life and scry 2.
When a legendary creature you control attacks and isn't blocked, if this card is exiled, put it onto the battlefield attacking.

You may pay and tap four untapped creatures you control with flying rather than pay this spell's mana cost.
Flying, lifelink
Other creatures you control with flying have indestructible.

Flying
Whenever a creature dealt damage by this creature this turn dies, put that card onto the battlefield under your control at the beginning of the next end step. Sacrifice the creature when you lose control of this creature.

Flying, lifelink

Flying
: Transform this creature. Activate only as a sorcery. ( can be paid with either or 2 life.)

Flying
Indestructible

Flying
Prevent all combat damage that would be dealt to this creature.

Equipped creature gets +2/+2.
Whenever equipped creature attacks the player with the most life or tied for most life, create a 4/4 white Angel creature token with flying that's tapped and attacking that player.
Equip

Whenever this creature blocks, exchange its power and the power of target creature it's blocking until end of combat.

Destroy target enchantment. You gain life equal to its mana value.

When this creature enters, investigate.
At the beginning of combat on your turn, investigate for each goaded creature you control. Then each creature you control is no longer goaded.

Whenever you gain life, you may pay . If you do, put a +1/+1 counter on target creature.

At the beginning of your upkeep, destroy all artifacts and enchantments. They can't be regenerated.

Kicker
When this creature enters, if it was kicked, create two 1/1 white Soldier creature tokens.

Flying
: Target attacking or blocking creature gets +2/+2 until end of turn.

Flying
Vigilance

Lifelink
As long as you have 30 or more life, this creature gets +5/+5 and has flying.

You can't cast Serra Avenger during your first, second, or third turns of the game.
Flying, vigilance