Mage-Ring Ruins

{t}: Add {1} to your mana pool.
Flux {2} (Whenever you cast a noncreature, nonartifact spell, you may pay {2}. If you do, put a ruin counter onto Mage-Ring Ruins.)
Whenever Mage-Ring Ruins has three or more ruin counters on it, sacrifice it, and Mage-Ring Ruins deals 3 damage to target creature or add {u}{u}{u} to your mana pool.