Clive's Invictus Blade - Blade of Selves (SLD-1864) - Secret Lair Drop / Clive's Invictus Blade (Borderless)

Equipped creature has myriad. (Whenever it attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)
Equip {4}