Giant Inheritance is a rare Enchantment — Aura card from Wilds of Eldraine Commander (WOC), collector number 17. Current market price: $0.45, TCGplayer market prices via Scryfall.
Enchant creature Enchanted creature gets +5/+5 and has "Whenever this creature attacks, create a Monster Role token attached to up to one target attacking creature." (Enchanted creature gets +1/+1 and has trample.) When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.