Mahavishnu

Double Strike, Flying
If all three Trimurti Gods are on the battlefield,
you may merge them into The Trimurti.
Sacrifice Target Creature: Counter target spell
with converted mana cost X or less where X is
the sacrificed creature's converted mana cost.
"Some say he is the greatest of The Trimurti,
other say he is simply good enough."
-Valmiki