Leaf Slate, Master Thief

Council, Star (As you cast this spell, you may search your library for another creature with Council, Star. Put it in your hand. You can't use this ability again once you do so.)

Whenever you cast a creature spell using mana from
a Treasure, it gains haste and can't be blocked until end of turn.

Whenever Leaf attacks with another creature, create a Treasure Token and other attacking creatures get +1/+0 until end of turn. (It's an artifact with "{t}, Sacrifice this artifact: Add one mana o