SkekSa, the Mariner

All effects dealt to SkekSa are also dealt to UrSan.
(If SkekSa is put into the graveyard, destroy UrSan.)
Partner with UrSan, the Swimmer
Whenever one or more Skeksis you control deal combat
damage to a player, exile the top card of that player's
library. You may cast that card for as long as it remains
exiled.
"To be powerful is to be like water. Unflinching. Unstoppable. Uncaring. Crushing everything!"