Like most Magic: The Gathering cards, the value of The Eldest Reborn depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Commander Masters)
His ability is really thematic too, giving him the power to banish an item or location (quite literally wrecking it) in order to gain two lore points
Apologies for the long winded reply, hopefully it was insightful
Whenever this creature attacks while saddled, double the number of +1/+1 counters on target creature
There will be 15 Transformers cards, each one available in different styles
Pirate and Robot cards enter the fray, plus characters from beloved franchises like Big Hero 6 and Chip n Dale: Rescue Rangers