Curse of Exhaustion

You gain 2 life for each card in your graveyard, then shuffle your graveyard into your library.

Creatures you control get +0/+4 until end of turn.

Creatures you control get +1/+1 until end of turn. Fateful hour — If you have 5 or less life, those creatures gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

Enchant creature 1: Tap enchanted creature.

Lifelink (Damage dealt by this creature also causes you to gain that much life.) When this creature dies, create a 1/1 white Spirit creature token with flying.

Target permanent you control gains protection from the color of your choice until end of turn. Fateful hour — If you have 5 or less life, instead you and each permanent you control gain protection from the color of your choice until end of turn.

Create two 1/1 white Human creature tokens. Fateful hour — If you have 5 or less life, create five of those tokens instead.

Fateful hour — As long as you have 5 or less life, other creatures you control get +1/+4.