Abyssal Gatekeeper

Flying, first strike, vigilance, trample, haste, protection from black and from red

1WW: Target creature gets +1/+1 until end of turn.

Flying T: Target attacking or blocking creature gets +1/+1 until end of turn.

Whenever this creature attacks, it gets +0/+3 until end of turn.

When this creature enters, you gain 2 life.

Flying Whenever this creature becomes the target of a spell or ability, this creature gets +0/+3 until end of turn.

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

Flying Whenever this creature blocks, it gets +0/+2 until end of turn.