Arixmethes, Awakened

Lifelink, Islandwalk
{u}{u}: Target land becomes an Island until end
of turn.
Other Kraken, Leviathan, Octopus, and Serpent
spells you cast cost {2} less to cast.
Whenever you cast a Kraken, Leviathan,
Octopus, or Serpent spell, you take 4 damage.