Promo Cards from the Gible Drop event (Promo Pack A Series Vol
You don't need to do anything else or meet any condition to use it, and you can even use it more than once per turn
This deck played around 20 enchantments to get triggers off his cast ability to make his legendary fun, like Rhystic Study and Sylvan Library, around 15 Frogs and changelings to use his ability on like Yargle, Glutton of Urborg and then some Voltron-ish and unblockable elements
Cards like this tend to be quietly accumulated by speculators in the weeks leading up to a related set release and then sold off once retail attention catches up to the market
HR - Hyper Rare - Haiprea Hyper Rare cards, SR or RRR cards with a rainbow colour and different texturing
(2025-06-06) If the copied creature is a token, the new token that's created copies the original characteristics of that token as stated by the effect that created the token