Even removing Nether Void is going to cost someone an additional three mana, so you're getting some value here no matter what
At the time we attributed that to its appearance in a tournament winning Legacy deck, but - given Boros Energy runs four copies of it - that's much more likely to be the source of the spike.
That animation plays when that monster is summoned
During the Dragon Ruler era, it finally came into the game for players to use, but it was far too late for it to be a balanced card
Exeggcute #4Common $0.03 Ampharos V #49Ultra Rare $1.05 Galarian Darmanitan VMAX #37Ultra Rare $1.19 Manectric #52Rare $0.29 Cramorant #40Uncommon $0.11 Orbeetle VMAX #21Ultra Rare $1.34 Kakuna #2Uncommon $0.06 Genesect #16Holo Rare $0.31 Barraskewda #42Rare $0.22 Orbeetle V #20Ultra Rare $0.68 Alolan Exeggutor #95Rare $0.46 Alolan Exeggutor #2Rare $0.59 Alolan Exeggutor #61Uncommon $0.85 Alolan Exeggutor #96None $0.59 Alolan Exeggutor #78None $1.60 Alolan Exeggutor - 002/094 #2Rare $1.00 Alolan Exeggutor - 2/12 #2Promo $7.21 Alolan Exeggutor (114) #114Rare $0.50 Alolan Exeggutor (115) #115Rare $0.64
Some current examples of B tier cards are Unholy Heat, Force of Vigor, Endurance, and Territorial Kavu