Enchantment Creature — Ox

Bestow {6}{R} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Purphoros's Emissary can't be blocked except by two or more creatures.
Enchanted creature gets +3/+3 and can't be blocked except by two or more creatures.

Artist(s): Sam Burley