graded ancient mew card Huge Pokemon lot! Read! Plus more! in combination with other issues such as scratches Cert #216831 - 2000 -

(1) If this card is in your hand or GY: You can discard 1 other Spellcaster monster or 1 Spell/Trap

But first, perhaps youd like to admire some art?

Then Mass Driver just keeps tributing Ronintoadin and inflicting damage until your opponent is no more

If it used at the maximum of 12 charges, it has a wide range of random effects, such as spawning an item that rapidly cycles between 9 different choices, filling the room with beams of light that damage enemies, spawning a massive bomb that blows part of the floor away, or even filling the room with enemies and locking the door

A build such as this can be stopped quickly by cards such Dimensional Barrier

Perhaps your community preferred one booster over anotheror maybe you weren't sure how much to order of each for either set