Crawlspace

When this creature enters, you may return target enchantment card from your graveyard to your hand.

Create two 1/1 white Bird creature tokens with flying. Flashback—Tap three untapped white creatures you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

When this creature enters, you gain 2 life for each creature you control named Cleric of the Forward Order.

Target player gains 2 life for each creature on the battlefield.

White creatures get +1/+1. Threshold — White creatures get an additional +1/+1 as long as there are seven or more cards in your graveyard.

Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.

Flying 2W: Choose a color. Creatures you control gain protection from the chosen color until end of turn. Activate only if this card is in your graveyard.

Enchant creature Enchanted creature gets +2/+2 and has flying. When enchanted creature dies, create a 2/2 white Griffin creature token with flying.