Kylox, Visionary Inventor
From Murders at Karlov Manor set
Kylox, Visionary Inventor
Legendary Creature — Lizard Artificer
4/4
Menace, ward
, haste
Whenever Kylox attacks, sacrifice any number of other creatures, then exile the top X cards of your library, where X is their total power. You may cast any number of instant and/or sorcery spells from among the exiled cards without paying their mana costs.