Barbarian Seafloor
Land (Rare)

At the beginning of your upkeep, Barbarian Seafloor deals 1 damage to target creature you control.

Tap: Add R to your mana pool. If you played a land this turn, Add U to your mana pool instead.

Sacrifice a nonbasic land: Barbarian Seafloor deals 1 damage to target player.

Douglas Argyle