Corsola

When you control no Island, sacrifice Corsola.
At the beginning of your upkeep, add {u}{u}. Absorb 1 (If a source would deal damage to this creature, prevent 1 of that damage.)
Whenever a player adds one or more {u}, Corsola
gets +0/+2 until end of turn. {r/g}: Corsola gets +2/-1 until end of turn.
{u}: Regenerate Corsola, or remove an Aura or counter attach to or on it.
Landfall —Whenever a land enters the battlefield
und