dark energy card pokemon TCG Basic Darkness (STD) Prize Pack S3 None Number There Is More Than Enough

Add to all of this the fact that the card has no retreat cost, and you have one of the most impactful cards in the competitive meta for the Pokmon TCG

An effect that creates a token that is a copy of a transforming permanent will create a transforming double-faced token

Mana rocks that do stuff are responsible for some of the power creep were seeing in EDH, and Midnight Clock is a great way to restock your hand in blue decks

There's no shame in it

It only takes a couple of these skeleton tokens to overwhelm your opponents considering they have menace and usually eat whatever blocks them

Both saw a great deal of play in tournament caliber decks in a variety of formats as long as they were legal, with both remaining absolute powerhouses in the Vintage format as well as serious threats in Extended, at least prior to the rotation of dual lands