Oathkeeper, Takeno's Daisho [Champions of Kamigawa] 137 that source's controller sacrifices that

that source's controller sacrifices that many permanents

Set: Modern Horizons 2 Prerelease Promos Type: Artifact Creature — Assembly-Worker Rarity: Rare Cost: {3} If you would create a Clue

Set: Alpha Edition Type: Creature — Wraith Rarity: Uncommon Cost: {3}{B} Swampwalk (This creature can't be blocked as long as defending player controls a Swamp

For the chronatog

Pick up your sword and prepare for battle

Oathkeeper, Takeno's Daisho [Champions of Kamigawa] 137 that source's controller sacrifices thatSet: Champions of Kamigawa Type: Legendary Artifact Equipment Rarity: Rare Cost: {3} Equipped creature gets +3 +1. Whenever equipped creature dies, return that card to the battlefield under your control if it's a Samurai card. When Oathkeeper, Takeno's Daisho is put into a graveyard from the battlefield, exile equipped creature. Equip {2}