Best yet, the arrival of MTG Arena as an honest-to-God alternative to physical Magic: The Gathering is a lifesaver
If the land you put onto the battlefield caused any abilities to trigger, those abilities won't go on the stack until after the ability has finished resolving
It's minuscule on its own, but thrives in a well-built ally deck
Raffine, Scheming Seer Raffine, Scheming Seer is a significant option for a discard commander because of the sheer number of cards it pitches
You could make a pretty standard +1/+1 counter deck, or go the opposite route with -1/-1 counters
If you control three or more creatures with different powers and the target creature you control is still a legal target as Duel for Dominance resolves but the target creature you don't control isn't, you will still put a +1/+1 counter on the creature you control