mtg prosper commander deck Tome Bound exile the top card of your library Prosper - Commander Deck -

Of course, the really exciting part here is the ability to double your mana from creature sources

More mana, massive creatures, and bigger turns

Its when the bad guys get their hands on it

Whenever you cast a noncreature spell, choose one Exile another target creature you control

The effect of Untimely Malfunction's last mode won't cause creatures that are already blocking to stop blocking

(You descended if a permanent card was put into your graveyard from anywhere.) Legendary Artifact The Aetherspark As long as The Aetherspark is attached to a creature, The Aetherspark can't be attacked and has "Whenever equipped creature deals combat damage during your turn, put that many loyalty counters on The Aetherspark." +1: Attach The Aetherspark to up to one target creature you control