Warrior's Oath [Portal Three Kingdoms] Colorless Set: Antiquities Type: Enchantment Rarity:

Set: Antiquities Type: Enchantment Rarity: Uncommon Cost: {2}{W} Players can't untap more than one artifact during their untap steps

Set: Beta Edition Type: Artifact Rarity: Uncommon Cost: {1} Whenever a player casts a black spell

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {3} You may choose not to untap Vedalken Shackles during your untap step

They can't be regenerated

Artifact creatures with indestructible can't be destroyed by damage

Warrior's Oath [Portal Three Kingdoms] Colorless Set: Antiquities Type: Enchantment Rarity:Set: Portal Three Kingdoms Type: Sorcery Rarity: Rare Cost: {R}{R} Take an extra turn after this one. At the beginning of that turn's end step, you lose the game. "If I fail, my head is yours." Warrior's oath common during the Three Kingdoms period