In some circumstances with two Eldlich the Golden Lord on the field, you can utilize this combo during your Main Phase 1 for an effective OTK: XYZ Summon Superdreadnought Rail Cannon Gustav Max using two copies of Eldlich the Golden Lord as material
Pulsing Aura Museum 3 The final Pulsing Aura Museum Secret Mission challenges you to collect every Rainbow Rare (Two Gold Star) card in this expansion pack: Mega Sceptile EX #194 (Rainbow / Two Gold Star) Mega Camerupt EX #195 (Rainbow / Two Gold Star) Vaporeon EX #196 (Rainbow / Two Gold Star) Magnezone EX #197 (Rainbow / Two Gold Star) Crustle EX #198 (Rainbow / Two Gold Star) Zoroark EX #199 (Rainbow / Two Gold Star) Corviknight EX #200 (Rainbow / Two Gold Star) Flygon EX #201 (Rainbow / Two Gold Star) Mega Audino EX #202 (Rainbow / Two Gold Star) Rewards: 36 Wonder Hourglasses, 12 Pack Hourglasses and 10 Shop Tickets
It's also a leaves the graveyard card that triggers other LTG effects, which is significant
However, it looks pretty cool, which is the only criteria to be on this list
You won't see much milling going on in white MTG decks, but black, green, and occasionally red see a mill card or two
Just less buggy on the switch