Teenage Mutant Ninja Turtles main set set (TMC): These cards appear only in the Turtle Power
This can put the counter on itself, so the floor is a 5-mana 3/4 flyer, which isn't terrible
Both were indeed marked as England exclusive Futsal promo, but with UK insert and US insert
Where It All Began: The very first battle you see in the game takes place at Orbonne Monestary, which is also the entrance to the final dungeon
Plus, the modern take on this effect, Xanathar, Guild Kingpin, is even MORE expensive to cast (probably thanks to color fixing and the ability to see more cards)
But since evoked creatures actually enter the battlefield, and their ETB effects trigger regardless of whether the evoke mode was used, this version of the mechanic offered a thousand times more potential for broken combos