pokemon rockruff card (SM06) (General Mills Promo) [Sun & Moon: Black Star Promos] Pokémon Hit Points70 HP Form Rockruff TG07/30 - SWSH12 Silver

Chains of Mephistopheles By now, most of us have seen the flowchart version of this card

(2022-10-14) Although all the cards in The Brothers' War that create Powerstone tokens create a tapped Powerstone token, entering the battlefield tapped isn't part of the token's definition

Counterspell on the other hand seems plausible, but definitely not Mana Drain

Lord of the Nazgl Lord of the Nazgl can quickly create lots of Wraith creature tokens for you

Could have been a Phyrexian

Slightly less rare than these, but still incredibly valuable, are the Shinies added as part of the Shining Revelry expansion - alternately variants of cards like Charizard, Lucario and more besides