Devourer of Memory's triggered ability grants it just +1/+1 each time cards are put into your graveyard from your library, no matter how many cards are put there at once
Wizards of the Coast is not opposed to proxies, but they must be distinguishable from the original cards
Each deck contains: Collectors Edition Warhammer 40,000 Commander Deck 100-card ready-to-play Warhammer 40,000 Commander Deck 1 foil-etched Display Commander 10 double-sided tokens, 1 life tracker, and 1 deck box Deck includes 2 legendary traditional foil cards Introduces 42 Warhammer-themed Magic: The Gathering cards
It even provides late-game mana fixing since the disguise ability can fetch non-basic Forests
Are Foils Valuable or Worth More
Plus, her colorless activation can be incredibly dangerous, especially if an opponent takes control of her