Cursed Mirror copies exactly what was printed on the original creature (unless that creature is copying something else or is a token
Setting aside your ability to improvise to get it onto the battlefield (hello Smothering Tithe), the fact that it just keeps getting bigger whenever you have an artifact enter the battlefield means its going to get immenseand its not like itll lose the counters
An example of this would be the Sun & Moon Trainer Kit: Lycanroc & Alolan Raichu, containing a Lycanroc half deck, and an Alolan Raichu half deck
Collector Booster Display Premium foils, showcase frames, and rares galore This collector booster display contains : 12 Tarkir Dragonstorm Collector Booster Packs Each Collector Booster Pack contains 15 cards 5 cards of rarity rare or higher 3-5 Uncommon 4-6 Common 1 Full-Art land cards 1 Traditional foil double-sided token Total of 9-11 traditional foil cards
The best part of this card is that its a Humility effect that only gets your opponents, and it costs 3 mana at instant speed at that
Dont expect to see this one much at low-bracket tables, but if youre playing cEDH, youll likely get your fill of Spider-Punk before long