Iron Treads

You may search for and exile a creature named Donphan from your library rather than pay this spells mana cost. If you do, shuffle your library.
Protection from sources that cost {e}.
Iron Treads can't have -1/-1 counters on it. Pay {e}: Iron Treads gets +0/+1 and gains first -strike, hexproof and trample until end of turn.
Pay {e}{e}, {ut}: Target player's tapped creatures
without flying get -X/-X until end of turn,
where X is Iron Treads's toughness