There was Accelerated Blue and the German Dragon in Standard, Suicide Brown and Iron Giant in Extended, good old Yawgmoth's Bargain in just about everything that allowed it, and then a lot of descendants of those initial Tinker decks that continued to get refined and grow in power until they took over Extended in New Orleans
Glimmora costs 400 Pack Points to craft
Grolnok, the Omnivore If youre doing anything remotely close to a frog typal deck (and why?), odds are Grolnok, the Omnivore is the main reason
It doesn't copy whether that creature is tapped or untapped, whether it has any counters on it or any Auras and Equipment attached to it, or any non-copy effects that have changed its power, toughness, types, color, or so on
Last but not least, I also like mildly scary forms of entertainment to celebrate Halloween
Lapras ex (PROMO-A) is not available in Rare Packs