Regathan Firecat [Magic 2014] Human Scout {4}{U}{B}: Silumgar Monument becomes a

{4}{U}{B}: Silumgar Monument becomes a 4/4 blue and black Dragon artifact creature with flying until end of turn

As long as the top card of your library is black

Set: Kaladesh Type: Creature — Elf Artificer Rarity: Common Cost: {2}{G}{G} Trample

you may sacrifice a creature rather than pay this spell's mana cost

and cannot be truly contained

Regathan Firecat [Magic 2014] Human Scout {4}{U}{B}: Silumgar Monument becomes aSet: Magic 2014 Type: Creature Elemental Cat Rarity: Common Cost: {2}{R} It stalks the Regathan highlands, leaving behind melted snow, scorched earth, and the charred corpses of would be temple robbers.