Cyber Dragon Infinity

At the beginning of your upkeep, target one
creature on the battlefield, that card becomes an enchantment aura and attaches to Cyber Dragon Infinity it gains +2/+2 counter. When Cyber
Dragon Infinity leaves the battlefield send all
attached auras to owners discard and it loses all counters.
{2}{w}{b}: When your opponent casts a spell or activates an ability of a permanent, sacrifice one attached aura and counter it. ONCE PER TURN.