Tidal Control

Enchantment • Mana cost: {1}{U}{U} • Alliances • Rare

Cumulative upkeep {2} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Pay 2 life or {2}: Counter target red or green spell. Any player may activate this ability.

Illustrated by Randy Gallegos.