one piece card game japanese 2nd anniversary set Box - Set (Japanese) Start today! One Piece Japanese 2nd Anniversary

The problem is that it becomes a mana sink that you can only use on your own turn, rather than a way to invest leftover mana at the end of an opponent's or immediately after they drop a board wipe

In the great tradition of Unburial Rites

Missy (Mass Removal) Missy is a commander that encourages you to kill as many creatures as possible, as it turns any creature that dies into a 2/2 Cyberman on your side of the battlefield

While this wont grab land cards from your deck, if you combine it with some incidental card draw thanks to other colors, you can quickly end up with an unmatched number of Lands on board

If someone's playing a Tokens deck or otherwise has a big board state, that could easily be lethal for the whole board