Ob Nixilis, Captive Kingpin [March of the Machine: The Aftermath] The Lost Caverns of Ixalan put a bore counter on

put a bore counter on Brass's Tunnel-Grinder

Set: Outlaws of Thunder Junction: The Big Score Type: Creature — Human Rogue Rarity: Mythic Cost: {1}{R} Menace

Then you may cast an instant or sorcery spell with mana value 2 or less from your graveyard without paying its mana cost

Set: Outlaws of Thunder Junction Commander Type: Legendary Creature — Efreet Wizard Rarity: Mythic Cost: {1}{U}{R} Magecraft — Whenever you cast or copy an instant or sorcery spell

you may play the exiled card without paying its mana cost

Ob Nixilis, Captive Kingpin [March of the Machine: The Aftermath] The Lost Caverns of Ixalan put a bore counter on