pokemon card ampharos ex Mega Ampharos ex (Mega Rising #85/331, 4-Diamonds)

(Choose a creature with the least toughness among creatures you control and put a +1/+1 counter on it.) When Optimus Prime dies, return it to the battlefield converted under its owner's control

Bargain(You may sacrifice an artifact, enchantment, or token as you cast this spell.) When Diminisher Witch enters the battlefield, if it was bargained, create a Cursed Role token attached to target creature an opponent controls

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Though that gives a guaranteed aspect to secret rare cards, most box toppers in the Pokmon TCG are reminiscent of a bygone era, with the last appearing in 2006s EX Holon Phantoms set