Yawgmoth Demon [Antiquities] Commander's Arsenal Set: From the Vault: Legends

Set: From the Vault: Legends Type: Legendary Creature — Eldrazi Rarity: Mythic Cost: {11} When you cast this spell

When Ancestral Knowledge enters the battlefield

If that mana is spent on an instant or sorcery spell

The one who bears it may be called to fulfill that charge at any moment

In ice there is perfect tranquility

Yawgmoth Demon [Antiquities] Commander's Arsenal Set: From the Vault: LegendsSet: Antiquities Type: Creature Phyrexian Demon Rarity: Rare Cost: {4}{B}{B} Flying (This creature can't be blocked except by creatures with flying or reach.) First strike (This creature deals combat damage before creatures without first strike.) At the beginning of your upkeep, you may sacrifice an artifact. If you don't, tap Yawgmoth Demon and it deals 2 damage to you.