Invasion of Pyrulea
(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)
When Invasion of Pyrulea enters the battlefield, scry 3, then reveal the top card of your library. If it's a land or double-faced card, draw a card.
Gargantuan Slabhorn
Trample, ward {2}
Other transformed permanents you control have trample and ward {2}.