Grenzo, Crooked Jailer{4}{B}{R}
Legendary Creature — Goblin Rogue
When Grenzo enters and at the beginning of your upkeep, heist target opponent's library.
Once each turn, you may pay {0} rather than pay the mana cost for a spell you cast that you don't own with mana value 3 or less.
6/4
Artista: Darren Tan