Kylox, Visionary Inventor 214 (Murders at Karlov Manor)

Menace, ward {2}, 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.

NM - $1.50
LP - $1.50
MP - $1.50
HP - $1.50
DMG - $1.50