As with most Prowess decks, this added option hugely increases the decks viability
But if you were to plot a counterspell, that card would effectively be dead: Plotted cards must be cast at sorcery speed, and you just can't cast most counterspells at sorcery speed
It is a notable Modern deck in the current meta, even if its just a tier two list with a 1.85% meta share according to MTG Decks
It requires a little bit of stack finesse, but each loop will net you one colourless mana, and the last time you do it will get you three instead
Peak Value: $3,000$5,000 USD (est.) (PSA 9) Why It's Valuable: A versatile land from Legends that serves as a life-gain and sacrifice outlet
And in addition to all that lovely synergy, Kumena's effects scale really well, drawing cards when the board is small, adding +1/+1 counters to a team that's wide, and growing more and more powerful as you play late game cards like Seedborn MuseSeedborn Muse