mtg whenever a creature dies draw a card Morbid Opportunist (Special Guests) Rules Text: whenever, creature, dies,

Back then, Rogue decks involved tempo synergies with Oonas Blackguard, Cloak and Dagger, Stinkdrinker Bandit and the once in a blue moon Prowl'd Notorious Throng to take extra turns

Her last ability can kill a Primeval Titan at instant speed, or stack two uses of it to kill even the biggest Deaths Shadow

However the reserved list is not guaranteed to preserve a cards value

I love this idea, which feels like a twist and refinement on the Bloomburrow Expend Mechanic (except you've got to pay it all on one spell), and anything that sweetens the pot when it comes to casting big instant and sorcery spells sounds good to me