Note there are no restrictions here beyond that any counter counts from anyone's stuff, and then when it dies you can send them to a dork like your Commander or other stuff and then this is tucked
Japanese booster packs come in three versions
One strong one uses Lurrus of the Dream-Den, Phyrexian Altar, and Kaya's Ghostform to sacrifice and recur Lurrus infinitely for infinite death, ETB, and cast triggers
Reaching the Edge of Eternity Set on the fringes of the multiverse, the Edge of Eternities set follows numerous storylines: Sami, Wildcat Captain and their crew of misfits
Not only that, but it can be transformed for one mana
I dont think wed have interesting cards like Tolarian Terror without Pteramander, which served a similar function as a big beater thats cost reduced by spells in the graveyard in blue tempo decks of its time