ultra rare arceus pokemon card V 122/172 Brilliant Stars - Weakness Fighting ×2 Resistance Metal Arceus ex (Triumphant Light 71)

This is a real cost, and it does lead to the usual problems with super heavy combo decks, especially in a combo format

By having metrics the decks are ranked on, some biases the user may have had can be revealed by examining the qualities of other nearby decks

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While they can mostly only be used while on the battlefield, you should read the ability and look for clues as to when its supposed to be used

Card Name Type Legendary Artifact Equipment Rarity Uncommon rules Text Double Overdrive - Equipped creature gets +2/+0 and has double strike.Equip ( : Attach to target creature you control