dragon ball super card game expansion set Masters: Sayian Boost (BE17) awaited return of Ultra Instinct Son Goku as a Leader Card from the Universe Survival Saga is now here FB02 - Dragon Ball Super

They all have effects that trigger on their special summon as well

If the opponent knows that you have it, they can side in answers or change the plan (for instance Murktide players can side out Murktides, DRCs and rely more on Ragavan, Ledger Shredders and planeswalkers)

That'd be great on its own, but Ancient Cellarspawn also causes an opponent to lose life equal to the difference between the mana you spent and the mana you should have spent without all the discounts

Mew ex (232/091) Is a Memorable Shiny Mew Card Pokemon TCG Marketplace SV: Paldean Fates Choose 1 of your opponent's Active Pokmon's attacks and use it as this attack

So high, in fact, that one of its cards had to be banned from Vintage for its power level