Experimental Frenzy can provide Mono-Red Aggro decks with an unheard of amount of card advantage, which is extremely scary for an opposing deck thats simply trying to stabilize
Perhaps their value when broken into singles would exceed your purchase priceanother avenue to make a little money
A two-mana 1/1 elf druid creature, Bloom Tender adds one mana of each colour you control to your mana pool when tapped
You dont love it if youre aggressive because it doesnt get blockers out of the way, but it is efficient enough to be fine
Archmage Emeritus , whose magecraft trigger can generate some generous card advantage, is the second most valuable blue card at $2 or so
This alone is enough to make Pokmon trading cards in this line stand out to collectors, but not all cards are made equal and some are already fetching hundreds of pounds because of their rarity