Tribute 1 Xyz Monster; during the End Phase, Special Summon from your Extra Deck, 1 "Number" monster with the same Type, but 1 Rank lower, as the Tributed monster had when it was on the field.
Set Information including prices and price hyperlinkes are taken from TCGplayer.
Cardmarket Yu-Gi-Oh! Sets
Set Information including prices and price hyperlinkes are taken from Cardmarket.
We use the Cardmarket "Trend Price", as such this doesn't differentiate between card editions. It simply gives a sale trending price across all card versions.