Invasion of Ravnica // Guildpact Paragon
FrontBattle — Siege
Invasion of Ravnica
{5}(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 this Siege enters, exile target nonland permanent an opponent controls that isn't exactly two colors.
BackArtifact Creature — Construct