Seige Equipment

Any time you do not control at least 1 creature
destroy siege equipment.
{2}: Tap a creature you control: Take 1 elephant,
horse, juggernaut &/or wall from your graveyard
into your hand.
{4}: Tap a creature you control: Take 1 artifact
creature &/or soldier from your graveyard into
your hand. This creature cannot be a vehicle.
"Time to prepare, then we destroy them all."