
Outpost Siege | Enchantment | | As Outpost Siege enters, choose Khans or Dragons.
• Khans — At the beginning of your upkeep, exile the top card of your library. Until end of turn, you may play that card.
• Dragons — Whenever a creature you control leaves the battlefield, Outpost Siege deals 1 damage to any target. | Daarken

Purphoros's Emissary | 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.)
Menace (This creature can't be blocked except by two or more creatures.)
Enchanted creature gets +3/+3 and has menace. | Sam Burley

Purphoros, God of the Forge | Legendary Enchantment Creature | God | Indestructible
As long as your devotion to red is less than five, Purphoros isn't a creature.
Whenever another creature you control enters, Purphoros deals 2 damage to each opponent.
{2}{R}: Creatures you control get +1/+0 until end of turn. | Eric Deschamps

Pyromancer's Assault | Enchantment | | Whenever you cast your second spell each turn, Pyromancer's Assault deals 2 damage to any target. | Todd Lockwood

Iroas, God of Victory | Legendary Enchantment Creature | God | Indestructible
As long as your devotion to red and white is less than seven, Iroas isn't a creature.
Creatures you control have menace.
Prevent all damage that would be dealt to attacking creatures you control. | Slawomir Maniak

Mogis, God of Slaughter | Legendary Enchantment Creature | God | Indestructible
As long as your devotion to black and red is less than seven, Mogis isn't a creature.
At the beginning of each opponent's upkeep, Mogis deals 2 damage to that player unless they sacrifice a creature of their choice. | Chase Stone