This Power would be a bit redundant after a while if it would only power up its attack and be done
Bleiweiss expects cards bearing #1, #69, #420 and #500 to be the most expensive, followed by "#2-#9, #13, #187, #404 and #411
Current meta decks simply need to be tweaked to deal with the new threats, and thats something that is easily done.

Surge's Voltorb #86Common $1.07 Voltorb #67Common $5.20 Voltorb #32Common $0.24 Voltorb #67Common $11.67 Voltorb #98Common $0.68 Voltorb #69Common $0.70 Voltorb #97Common $0.98 Voltorb #113Common $7.43 Voltorb #80Common $0.55 Voltorb #85Common $0.58 Voltorb #80Common $3.10 Voltorb #71Common $0.70 Voltorb #68Common $0.41 Voltorb #117Common $0.25 Voltorb #83Common $0.33 Voltorb #51Common $0.25 Voltorb #44Common $0.21 Voltorb #21Common $0.10 Voltorb #39Common $0.09 Voltorb #30Common $0.17 Voltorb #47Common $0.23 Voltorb #38Common $0.18 Voltorb #21Common $0.03 Voltorb #SV13Shiny Holo Rare $3.87 Voltorb #56Common $0.03 Voltorb #45Common $0.05 Voltorb #87Common $0.13 Voltorb #66Common $0.08 Voltorb #100Common $0.17 Voltorb #10Classic Collection $1.11 Voltorb #133Shiny Rare $4.90 Voltorb #100Common $0.10 Voltorb #47None $0.23 Voltorb #28Common $0.20 Voltorb #32Common $0.20 Voltorb #29Common Voltorb #36Common $0.44 Voltorb #173Shiny Rare Voltorb #21Common $1.93 Voltorb #31Common Voltorb #37Common $0.27 Voltorb #19Common Voltorb #21Common $1.25 Voltorb - 057/190 #57None $0.08 Voltorb - 066/193 #66Common $819.68 Voltorb - 066/193 #66Common $819.68 Voltorb (Shiny) #SH3Shiny Holo Rare $49.66 Voltorb #67Common $11.67 Voltorb (64) #64Uncommon $7.94 Voltorb #113Common $7.43 Voltorb #67Common $5.20 Voltorb #133Shiny Rare $4.90 Voltorb - 2008 (Tristan Robinson) #117Common $4.77 Voltorb (115) #115Common $4.29 Voltorb (Master Ball Pattern) #100Common $4.01

Maybe Minotaurs are inherently cool
Its not as useful in other formats where players may not be running artifacts or enchantments