yugioh deck machine Re-Volt up cards. Ancient Gear Workshop Structure Deck:

Its also an excellent Energy battery for Fusion Strike decks, all thanks to its Energy Mix attack that allows you to attach one Energy card to any Fusion Strike Pokmon you currently have in play

This can rapidly power up your Pokmon, enabling them to attack sooner than expected

So, this card goes some way to allowing you to survive your opponent's turn and possibly giving you more disruption options if you manage to couple the new Core you just got with something like a Torrential Tribute or Mektimed Blast (which I hate so much because it's technically not a "Meklord" card and, thus, not searchable by Meklord Selection)

This card is all up-side

For 3 CMC, I actually think she's pretty viable too