Most of the time I except to counter spells, though, as a thopter swarm can also keep planeswalkers in check
Its a token enabler and payoff all in one, and it harkens back to one of my all-time favorite cards: Clarion Spirit
At the moment, this original version of the project is experiencing some major crashing issues (at least on my machine) but they are not throwing error messages and I'm too busy with v2.0 to hunt them down, sorry Reads a Magic: The Gathering card in front of a webcam and identifies it in a database of cards from a user-specified set
In the meantime, Marath is a powerful tool for controlling the board, picking off mana dorks and small commanders with ease
For instance, Rishkar's Expertise allows you to draw cards equal to the greatest power among creatures you control
You can only use exhaust abilities once per game, but you can get around that limitation by blinking the creature or any other effect that makes it change zones