Oblivion Moon

Indestructable
Green spells you cast cost 2 less and have flash
{g}{g}{g}{t} deal 3 damage to any target
{1}{g}{g}{x}{t} search your deck for a creature card with converted Mana cost of {x} or less
Oblivion Moon enters the battlefield with 20 time counters on it, remove a time counter from Oblivion Moon at the start of your turn, when Oblivion Moon as no more time counters on it sacrafice it