Warrior's Oath [Portal Three Kingdoms] Kaladesh Prerelease Promos you may reveal the top

you may reveal the top four cards of your library

Set: The Dark Type: Land Rarity: Uncommon {T}: Untap target attacking creature

{T}: Put a mire counter on target non-Swamp land

Set: Portal Three Kingdoms Type: Creature — Human Soldier Assassin Rarity: Uncommon Cost: {3}{B}{B} When Wei Assassins enters the battlefield

Set: Beta Edition Type: Sorcery Rarity: Rare Cost: {3}{W} Destroy all lands

Warrior's Oath [Portal Three Kingdoms] Kaladesh Prerelease Promos you may reveal the topSet: 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