It was originally one of the main reasons for the banning of Cauldron Familiar, which could be repeatedly sacrificed with Witchs Oven to cause Mayhem Devil to trigger several times, destroying an opponents board and their life total with no way to respond
This appears on Lightning, Army of One, and makes for a great addition to the game in terms of strategies
Bane of Hanweir | Art by Wayne Reynolds The next step was figuring out how exactly to use spell casting as a trigger
Use it to help reset the board or pull even farther ahead
Contents: * 1 ready-to-play deck of 100 Magic cards * 12 new-to-Magic cards, including 2 traditional foil mythic rare cards * 10 double-sided token cards * Deck box * Strategy insert * Reference card * Punchout counter card
However, effects that stop a creature from untapping "during your untap step" or "during its controller's untap step" won't stop that creature from untapping during another player's untap step, and as such, Prop Room's ability will cause that creature to untap