The other three rocks are staples
Creatures target player controls gain lifelink until end of turn
6 "Red Cheeks" Pikachu (Shadowless) - Base Set This card is likely one that players have seen around even if they've never owned it
Bebop, Skull & Crossbones | 1 Colorless Mana, 1 Black Mana, and Rocksteady, Mutant Marauder | 2 Colorless Mana, 1 Green Mana Legendary Creature Boar Mutant/Legendary Creature Rhino Mutant Partner with Rocksteady, Mutant Marauder (When this creature enters, the target player may put Rocksteady into their hand from their library, then shuffle.) Deathtouch Whenever Bebop deals combat damage to a player, you may draw X cards, where X is the number of counters on Bebop
A planeswalking cube
My Surging Sparks Wake-Up Call When the Scarlet & Violet Surging Sparks set was released, I fell into a rabbit hole chasing the Special Illustration Rare Pikachu