Running a blue-black dual land that can also be used to cast either Force of Negation or Grief (both Modern staples) for free could just be an appealing enough proposition on its own in the right deck
Build your own set of 12, 24, or grab one of each, browse foil packs and signature upgrades, or order a custom token made just for your commander
It then becomes a copy of one of these exiled creatures, and gains +1/+1 counters equal to that of the other exiled creature's power
Five mana is expensive for a 1/1 lifelink, but it can be activated multiple times a turn and get out of hand later in the game
You may do as many of these actions as youre able to, though there are some limitations: You may not attack on your first turn You may not play a Supporter card on your first turn You may not evolve a Pokemon on your first turn You may not evolve a Pokemon that was played within the same turn You may not evolve the same Pokemon more than once per turn You may only attach one energy per turn (either to an Active or Benched Pokemon) You may only play one Supporter and one Stadium card per turn You may only Retreat one Pokemon per turn Attack: Attacking will conclude your turn so be sure that youve carried out any actions before moving to this step
But remember that you don't want to sell your cards for less than the actual Magic: The Gathering card value