Eshki Dragonclaw Eshki Dragonclaw has solid stats, and vigilance plus trample are excellent abilities for a creature that grows
Flashed in a Resolute Reinforcements during your opponent's combat
Karlov was a member of the Orzhov ruling council once upon a time, and hes been given a new lease of (un)life in this set
If your red deck already plays all of those cards because it has a win condition that involves copying your own spells, then this card might not be a bad addition to the redundant redundancy
If either target of the activated ability is illegal as the ability tries to resolve, it will have no effect
You can cast commanders, foretell cards, or suspended cards and it will work, as will proliferate effects or +1/+1 counter synergies