The Mindskinner makes it so if an opponent would be dealt damage by one of your sources, all that damage is prevented and instead each opponent mills that many cards
That said, between ramps ubiquity in Commander, the fact that ramping one land for 2 mana has been good enough for many cards to see consistent play in the format for years, and the risk that Deep Gnome Terramancer will be a dead card is minimal at best, and Id call it a safe bet youll come out ahead far more often than not when playing this card

POWERFUL RIGHT OUT OF THE BOXBattle your friends with powerful creatures and spectacular spells with a 100-card Commander Deck thats ready to defeat your opponents right out of the box SOW THE SEEDS OF DEVASTATIONRamp up with Lands, then send your mightiest monsters out swinging with this deadly Green-Blue deck INTRODUCES 15 COMMANDER CARDSThis deck introduces 15 never-before-seen Commander cards to Magic: The Gathering, including 2 foil Legendary Creature cards COLLECT SPECIAL TREATMENT CARDSEach deck also comes with a 2-card Collector Booster Sample Pack containing 2 alt-border cards from the Modern Horizons 3 set, including 1 Rare or Mythic Rare and at least 1 Traditional Foil card YOUR NEW FOREVER FAVORITESIntroducing a heaping helping of exciting cards plus the return of competitive favorites, theres something for everyone to love in Modern Horizons 3 Commander Decks For Fun I normally have a slam dunk pick for this category, but these decks waffled around too much

You may have that player shuffle
Either of them would work as well, I just don't find them quite as interesting.) LandoLRodriguez on The Lost Art(ifact) of Keeping a Secret 4 years ago Changes, 02Nov2021: Normally I like to go through the changes I make as one-for-one tradeouts, providing a rationale for why I'm taking this card out and putting this other one in