Keris Prismari

Flying
Whenever you cast or copy an instant or sorcery
spell, you may choose one, or you may choose any
number instead if that spell's mana value is 5 or
greater:
•Draw two cards, then discard two cards.
•Keris deals 1 damage to any target.
•Tap target creature.It doesn't untap during its controller's next untap step.