Green Lantern, God of Light

Flying, indestructible
{x}{w}{w}: Search your library for an artifact or enchantment card with converted mana cost X
and exile it. Create a token copy with two
construct counters of a card exiled with this way
with converted mana cost X or less. It has "When
this token has no construct counters on it,
sacrifice it." Remove a construct counter from a
token you control.