pokemon dark energy card Darkness (97/108) [XY: Evolutions] Heavily Played Reverse Holofoil Evolving Skies Singles Darkness Energy [1st Edition] #104

GameStop 2021 Pokemon Japanese 25th Anniversary Collection 029 Full Art/professor's Research PSA 9 Current price: $11.99 From GameStop Loading Inventory

The effect allows you to create a token copy of a creature you already control and expand your board out of control

While these eggs may not seem great at first glance, whenever one of these tokens dies, you create a 2/2 flying Dragon token that can gain +1/+0 until the end of the turn for the cost of one red mana

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This is all quite minor compared to how good the planewalkers are in the first place however

If you add ink to your inkwell and play one card every turn, going first you'll naturally run out of cards on turn six