This frog commander will draw you approximately a billion cards by dumping lands in the graveyard, whether its by discarding them with Noose Constrictor, sacrificing them to Sylvan Safekeeper, or milling them with The Mending of Dominaria and Wrenn and Seven
In the TMNT sets ecosystem, this is huge
But if nobody is actually main-decking any artifacts you drastically need to remove, then you're just spending a slot in your deck without a consistent return
On top of this, it's been discovered that the cards you pick are already decided as soon as you hit "Open pack" not from the carousel of booster packs
Whenever Carmen attacks, return up to one target permanent card with mana value less than or equal to Carmen's power from your graveyard to the battlefield
Situation #3 You : 2 life On the battlefield, you have: Lands : three Islands and three Mountains Creatures : Axegrinder Giant, Hill Giant, Mardu Scout, and Wind Drake Them: 3 life On the battlefield, they have: Lands : three Islands (two tapped) and three Forests (two tapped) Creatures : River Bear, Runeclaw Bear, Rusted Sentinel, and Skywinder Drake Your opponent just cast River Bear and passed the turn