Yes, youll generally board them out against Mono-Red Aggro, but thats true about a lot of cards
Like attacking and activating other abilities, mana production is a vital part of the game
You get back 10 cards, your opponents might get back one

Thanks to the fact that this card has finally been successfully converted into OCG after a long wait of 7 years, not only its theme, High Drive , but also the themes used by other Brains protagonists such as Armatus Legio , Storm Rider , and Drone, who also suffered the misfortune of not being able to be converted into OCG, are attracting attention.[7] [1] 1: Darkfluid, who stacks 4 counters and has 13000 attack power, battles Perfectron High Drive Dragon, who has 4 counters 2: High Drive Dragon removes the counter, endures battle destruction, and then activates a forced effect that deals multiple damage 3: Darkfluid consumes 1 counter to nullify it and then attacks additionally 4: Return to 1 and repeat The infinite loop continued until the High Drive Dragon ran out of counters.[2] Unlike the Chimera High Drive Draglead that appeared immediately before, this card's card image has not been revealed in Brainz.[3] In Korea, the pack was scheduled to be released on June 23rd, two days after the limit regulation announcement, so it suddenly became a card that was subject to sanctions before its release in Korea

Were looking at four categories here: Effects that change a cards card type , Effects that change a cards subtype, usually a creature type , Effects that change card text , Effects that change card names