Making what you return a permanent prevents the kind of brokenness that recurring instants and sorceries can lead to
Stay safe and keep doubling
A mono-black card that feeds beautifully into any Blight strategies you may have after its re-emergence in Lorwyn Eclipsed ,M.O.D.O.K
Between the two commanders, Eowyn, Shieldmaiden and Aragorn, King of Gondor, you have two great ways to generate tons of card advantage and board presence
Mazirek, Kraul Death Priest Spreading +1/+1 counters about as you sacrifice permanents makes Mazirek, Kraul Death Priest an excellent option for a token-based sacrifice strategy
That's right, in Limited, we play with 40-card decks instead of the 60 or even 100 you'd see in some Constructed formats