Avian Gladiator

Haste
When this creature enters the battlefield because
an ability of a Tag Creature: Destroy target
artifact.
Boast — Lose 1 Life: You can shuffle this card
into the library; and search your library for one
Tag card except "Avian Gladiator" and put it
into play. (Activate this ability only if this creature
attacked this turn and only once each turn.)