The List

Briarhorn

Flash
When Briarhorn enters, target creature gets +3/+3 until end of turn.
Evoke {1}{G} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Duel Decks: Nissa vs. Ob Nixilis

Flash (You may cast this spell any time you could cast an instant.)
When Briarhorn enters the battlefield, target creature gets +3/+3 until end of turn.
Evoke {1}{G} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Duel Decks: Ajani vs. Nicol Bolas

Planechase

Lorwyn

Flash
When Briarhorn comes into play, target creature gets +3/+3 until end of turn.
Evoke {1}{G} (You may play this spell for its evoke cost. If you do, it's sacrificed when it comes into play.)