A Bao A Qu, the Lightless Shadow X DARK Link 4 [ Fiend / LinkEffect ] ATK 2800 DEF - 2+ monsters, including a Fiend monster During the Main Phase (Quick Effect): You can discard 1 card, then activate 1 of these effects
The Dance of the Elements deck is worth $53.50 according to TCPPlayer
#3 Ovalchase Daredevil Let me guess

5 Traditional foil borderless scene rares (12.36%) 1 Traditional foil borderless scene mythic rare (1.24%) 1 Traditional foil rare or mythic rarecan be any of the following: 32 Traditional foil rares (82.05%) 14 Traditional foil mythic rares (17.95%) 1 Non-foil extended-art rare or mythic rarecan be any of the following: 16 Non-foil extended-art rares (97%) 1 Non-foil extended-art mythic rare (3.0%) 1 Traditional foil rare or mythic rare that's an alternate-frame, extended-art, or borderless card, or one of the following: 2 Traditional foil borderless rares (4.95%) 8 Traditional foil borderless mythic rares (9.91%) 14 Traditional foil showcase memory corridor rares (34.67%) 5 Traditional foil showcase memory corridor mythic rares (6.19%) 16 Traditional foil extended-art rares (39.62%) 1 Traditional foil extended-art mythic rare (1.24%) 5 Textured foil showcase memory corridor mythic rares (3.25%) 4 Double rainbow serialized cards (500 of each) 1 Foil-etched rare or mythic rarecan be any of the following: 32 Foil-etched rares (82.05%) 14 Foil-etched mythic rares (17.95%) 1 Traditional foil double-sided token *Note: Probabilities may not sum to 100% due to rounding

It doesnt tap for mana itself, but you can filter one into a blue and a white
There are quite a lot of rare and expensive Magic: The Gathering trading cards out there