Hickory River
Artifact Land (Rare)

(Hickory River isn't a spell.)

At the beginning of your end step, if you didn't cast any spells this turn, Hickory River deals 1 damage to you.

X, Tap: Tap target artifact with converted mana cost X or less.

G, Tap: Add UU to your mana pool.

U, Tap: Add GG to your mana pool.

Kev Critchlow