Baneslayer Aspirant

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

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

As long as this creature is equipped, it has first strike and lifelink. (It deals combat damage before creatures without first strike. Damage dealt by it also causes you to gain that much life.)

As long as you control a Giant, this creature gets +1/+1 and has first strike.

Delirium — This creature gets +1/+0 and has first strike as long as there are four or more card types among cards in your graveyard.

Metalcraft — As long as you control three or more artifacts, this creature gets +2/+2 and has flying.

As long as this creature is equipped, it gets +1/+1 and has first strike.