This is due to Frogmite's single ability: affinity for artifacts, which means that Frogmite's mana cost is reduced by one for each artifact you control
Abilities often revolve around Energy acceleration or spreading quick chip damage across the board
Since this card was released back in September 2025, it has seen a mostly upward increase in price
The biggest downside is that 4UU is a decent cost of lip, making it slow, and its among cards exiled with this permanent meaning if you have to re-cast Jacob for whatever reason, those cards are permanently exiled
You wont have to worry about your spells getting countered by anything, and any Fog effects wont stop your Spiders from crashing in for damage
Its just too powerful not to play in basically any red deck interactive decks use it as removal and aggressive decks use it to burn the opponent directly or get rid of a blocker