Cidross, Champion Of The Blue

Flying
Menace
Cidross, Champion Of The Blue's toughness is equal to the number of creatures you destroyed.
In addition to Cidross, Champion Of The Blue's cost, target opposing player has to have at least 5 creatures on the battlefield.
When Cidross, Champion Of The Blue enters the battle field, destroy all creatures on the battlefield.
Whenever you draw a card, discard a card.