So we tried to figure out solutions
While I'd love to provide concrete examples, we're still in the early exploration and prototyping portion of this project, so I want to be careful about setting expectations that are later crushed because the path we settle on is different than our current blue-sky concepts
On the other hand, you can use Pokmon with levels higher than 50 and use moves which Darkrai isn't weak against and chip away at its health
There are plenty of 1 mana value creatures that provide interaction, ramp, or value
Partner (You can have two commanders if both have partner.) Legendary Creature - Human Knight Commander (CTRL to add secondary) Creature Greymond, Avacyn's Stalwart As Greymond, Avacyn's Stalwart enters, choose two abilities from among first strike, vigilance, and lifelink