Master of Ceremonies gvl You may cast any number

You may cast any number of the copies without paying their mana costs

Auras you control have exalted

Legacy Reforged's power and toughness are each equal to the greatest mana value among artifacts you control

Sneak {R} (You may cast this spell for {R} if you also return an unblocked attacker you control to hand during the declare blockers step

Gideon Blackblade is a 4/4 Human Soldier creature with indestructible that's still a planeswalker

Master of Ceremonies gvl You may cast any numberAt the beginning of your upkeep, each opponent chooses money, friends, or secrets. For each player who chose money, you and that player each create a Treasure token. For each player who chose friends, you and that player each create a 1 1 green and white Citizen creature token. For each player who chose secrets, you and that player each draw a card.