Hebi Kosho, Mana Sunderer

Commander ninjutsu {u}{u} ({u}{u}, Return an
unblocked attacker you control to hand: Put this card
onto the battlefield from your hand or the command
zone tapped and attacking.)
Whenever Hebi Kosho, Mana Sunderer deals
combat damage to a player, that player returns
a land they control to its owner's hand.
"My steel severs the arteries of your mana as well
as your flesh."