Yawgmoth Demon [Antiquities] Commander's Arsenal When Ancestral Knowledge enters the

When Ancestral Knowledge enters the battlefield

Set: Hour of Devastation Type: Creature — Bird Warrior Rarity: Common Cost: {2}{W} Flying

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

If that mana is spent on an instant or sorcery spell

Yawgmoth Demon [Antiquities] Commander's Arsenal When Ancestral Knowledge enters theSet: 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.