Opalescence is clearly an enchantment deck build-around, which let you turn Replenish into not only a source of lots of virtual card advantage, but also a massive battlefield position that could easily dominate and end the game
I am finally starting to get the hang of it through Battle Academy but I need to practice more and I can't find the order of the cards for Pikachu, Evee, Cinderace
Its also odd that an Item Merchant wouldnt create some kind of token or give you a choice of effects, but the flavor is the least of this cards worries
Baleful Beholder An iconic Dungeons and Dragons monster, the Beholder is a spherical chonky boy with numerous eyestalks capable of firing 10 different magical rays at random
As to the full art Trainers and secret rares, it is worth noting this set includes no less than 28 cards with a pull rate of 1:1000, at least according to this model
Its a fragile wincon, but it can be very explosive and effective even in cEDH, and a way to catch your opponents off guard