Warrior's Oath [Portal Three Kingdoms] Colorless Set: Beta Edition Type: Artifact

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

(It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters

Flashback—{1}{U}

Set: Eternal Masters Type: Instant Rarity: Rare Cost: {U} Search your library for an instant or sorcery card

Set: Eldritch Moon Prerelease Promos Type: Legendary Land Rarity: Rare {T}: Add {C}

Warrior's Oath [Portal Three Kingdoms] Colorless Set: Beta Edition Type: ArtifactSet: 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