But it could also be played passively and for time, to reduce the opponents library of spells and abilities and to use their own spells against them
Just throwing him down, killing a thing, gaining three life and absorbing an attack is going to be well worth the four mana and a card against loads of decks
Target Target restocks Pokmon cards often
As for the card prices, you may be able to put some extra dollars/pounds onto the prices shown when selling them but they are not massively rare cards so I would personally advise not to sell them for too much
Draw on the first turn: Because Commander is typically multiplayer, the starting player still draws a card on turn one
They tap for three colors of mana, but when they enter the battlefield, you must return a non-Lair land you control to your owners hand or sacrifice the Lair