Panharmonicon [Kaladesh] SM155 neither player can activate cards

neither player can activate cards

Set: Dark Beginning 1 Card type: Continuous Trap Rarity: Super Rare Select 1 monster from your Graveyard and Special Summon it in face-up Attack Position

Set: Judge Gift Cards 2011 Type: Creature — Human Wizard Rarity: Rare Cost: {1}{B} At the beginning of your upkeep

Set: EX: Hidden Legends Type: Grass

This effect can't reduce the mana in that cost to less than one mana

Panharmonicon [Kaladesh] SM155 neither player can activate cardsSet: Kaladesh Type: Artifact Rarity: Rare Cost: {4} If an artifact or creature entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time. All who listen hear their own song, a unique melody played just for them.