Sea Hag {4}{U}
Creature — Hag
When Sea Hag enters the battlefield, creatures your opponents control get -4/-0 until end of turn.
3/5
----
Aquatic Ingress {2}{U}
Instant — Adventure
Up to two target creatures each get +1/+0 until end of turn and can't be blocked this turn. (Then exile this card. You may cast the creature later from exile.)