Infinite Mill, Mana, Creatures, and Life At Once

Change the text of target spell or permanent by replacing all instances of one creature type with another. The new creature type can't be Wall. (This effect lasts indefinitely.)

Whenever this creature or another Cleric dies, create a 2/2 black Zombie creature token.

This creature has flying as long as you control a Dragon. When a Dragon enters, you may return this card from your graveyard to the battlefield.

, Sacrifice a creature: You gain 2 life.

As this enchantment enters, choose a creature type. Creatures you control are the chosen type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

Sacrifice a creature: Add .

Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.