mtg demon commander deck list Elite - Valgavoth, Harrower of Souls - Rakdos Black Red - EDH cEDH - 100 Card - Custom Deck Legendary Creature Dimir Demons | EDHREC

Better ways to proliferate without paying so much mana include Yawgmoth, Thran Physician or casting a low-cost sorcery like Thirsting Roots

It has more synergy in a creature-based reanimation build that wants creatures, but they are close enough that both are here

Garvin breaks down a fun combo: This gets interesting with effects like First Strike

If a card with flashback is put into your graveyard during your turn, you can cast it if it's legal to do so before any other player can take any actions

For example, if a red creature spell has an additional cost to cast it and you spend red mana from a snow source to pay that cost, Boreal Outrider's ability will trigger