Anchor Bosk
Land (Rare)

Whenever Anchor Bosk becomes tapped, it deals 1 damage to you.

Tap: Add 1 to your mana pool.

Tap: Add U or B to your mana pool. Each opponent gains 1 life.

3: Anchor Bosk becomes a 2/2 blue Shapeshifter creature until end of turn. It's still a land.

Christopher Guay