Avacyn, Guardian Angel

Flying, vigilance
: Prevent all damage that would be dealt to another target creature this turn by sources of the color of your choice.
: Prevent all damage that would be dealt to target player or planeswalker this turn by sources of the color of your choice.

Soul of Theros

Vigilance
: Creatures you control get +2/+2 and gain first strike and lifelink until end of turn.
, Exile Soul of Theros from your graveyard: Creatures you control get +2/+2 and gain first strike and lifelink until end of turn.

Warden of the Beyond

Vigilance (Attacking doesn’t cause this creature to tap.)
Warden of the Beyond gets +2/+2 as long as an opponent owns a card in exile.

Radiant, Archangel

Flying, vigilance
Radiant, Archangel gets +1/+1 for each other creature with flying on the battlefield.

Noble Templar

Vigilance
Plainscycling (, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle your library.)

Glimmerpoint Stag

Vigilance
When Glimmerpoint Stag enters the battlefield, exile another target permanent. Return that card to the battlefield under its owner’s control at the beginning of the next end step.

Noble Templar

Vigilance
Plainscycling (, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle your library.)

Ravenous Leucrocota

Vigilance
: Monstrosity 3. (If this creature isn’t monstrous, put three +1/+1 counters on it and it becomes monstrous.)

Pheres-Band Warchief

Vigilance, trample
Other Centaur creatures you control get +1/+1 and have vigilance and trample.

Chromanticore

Bestow (If you cast this card for its bestow cost, it’s an Aura spell with enchant creature. It becomes a creature again if it’s not attached to a creature.)
Flying, first strike, vigilance, trample, lifelink
Enchanted creature gets +4/+4 and has flying, first strike, vigilance, trample, and lifelink.

Vanguard of Brimaz

Vigilance
Heroic — Whenever you cast a spell that targets Vanguard of Brimaz, create a 1/1 white Cat Soldier creature token with vigilance.

Akroan Phalanx

Vigilance
: Creatures you control get +1/+0 until end of turn.

Brimaz, King of Oreskos

Vigilance
Whenever Brimaz, King of Oreskos attacks, create a 1/1 white Cat Soldier creature token with vigilance that’s attacking.
Whenever Brimaz blocks a creature, create a 1/1 white Cat Soldier creature token with vigilance that’s blocking that creature.

Angelic Skirmisher

Flying
At the beginning of each combat, choose first strike, vigilance, or lifelink. Creatures you control gain that ability until end of turn.

Roon of the Hidden Realm

Vigilance, trample
, : Exile another target creature. Return that card to the battlefield under its owner’s control at the beginning of the next end step.

Roon of the Hidden Realm

Vigilance, trample
, : Exile another target creature. Return that card to the battlefield under its owner’s control at the beginning of the next end step.

Skyward Eye Prophets

Vigilance
: Reveal the top card of your library. If it’s a land card, put it onto the battlefield. Otherwise, put it into your hand.

Observant Alseid

Bestow (If you cast this card for its bestow cost, it’s an Aura spell with enchant creature. It becomes a creature again if it’s not attached to a creature.)
Vigilance
Enchanted creature gets +2/+2 and has vigilance.

Anax and Cymede

First strike, vigilance
Heroic — Whenever you cast a spell that targets Anax and Cymede, creatures you control get +1/+1 and gain trample until end of turn.