It had some problems, sure, but mostly just because the name was a bit confusing
Depending on the rest of the context of the deck, a strategy that relies heavily on having a four-drop enter the battlefield on turn 4 is going to want to play between 23 and 26 lands, 23 if the deck has a reasonable amount of ways to churn through its deck or is lower to the ground and 26 if the deck has a high number of mana sinks and plans to keep going bigger from the four-up
The most expensive card in Prismatic Evolutions is the full art Umbreon EX, nicknamed Sunbreon, priced at ~$1200
Legendary Creature - Vampire Insect Urabrask's Forge At the beginning of combat on your turn, put an oil counter on this artifact, then create an X/1 red Phyrexian Horror creature token with trample and haste, where X is the number of oil counters on this artifact
Anyway, this card is great and you should play it