pokemon pre order booster box SV9 Scarlet and Violet Journey Together Mega Greninja ex gathers other powerful Mega Evolution Pokémon ex Pokémon TCG: Mega Evolution—Perfect Order

Given the lack of any new black-bordered cards with this mechanic in the last 16 years, mechanic certainly isnt evergreen and probably won't see consistent printing again

Clive, Ifrits Dominant / Ifrit, Warden of Inferno Clive, Ifrit's Dominant is already strong when it enters the battlefield, offering you a discard and draw effect that scales with your devotion to red

The answer that Adventures in the Forgotten Realms found is a gameplay mechanic called Venture

While I dont tend to evaluate planeswalkers by their ultimate, Ugin, Eye of the Storms actually has one that is reasonable to get to

(You can choose the same Pokemon more than once.) For each time you chose a Pokemon, do 60 damage to it