Puppet Master is a uncommon Enchantment — Aura card from Legends (LEG), collector number 69. Current market price: $1.74, TCGplayer market prices via Scryfall.
Enchant creature When enchanted creature dies, return that card to its owner's hand. If that card is returned to its owner's hand this way, you may pay {U}{U}{U}. If you do, return this card to its owner's hand.