Guardian of the Gateless

Flying
Guardian of the Gateless can block any number of creatures.
Whenever Guardian of the Gateless blocks, it gets +1/+1 until end of turn for each creature it's blocking.

Debtor's Pulpit

Enchant land
Enchanted land has "{T}: Tap target creature."

Serra Angel

Flying
Vigilance (Attacking doesn't cause this creature to tap.)

Angel of Renewal

Flying
When Angel of Renewal enters, you gain 1 life for each creature you control.

Purify the Grave

Exile target card from a graveyard.
Flashback {W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Akroma, Angel of Wrath

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