Quicksilver Gargantuan

Mastodonte del Mare di Mercurio (Quicksilver Gargantuan) (it)

Creature - Shapeshifter | Power/Toughness: 7 / 7 (CMC 7)
You may have Quicksilver Gargantuan enter the battlefield as a copy of any creature on the battlefield, except it's 7/7.