mtg commander meren deck Ultra PRO: Box - PRO 100+ (Commander 2015 At the beginning of your end step Meren of Clan Nel Toth

BW tends to be on the slower side of archetypes, and it generally wants to play a longer game with lots of card advantage and removal spells

For example, the difference between the power and toughness of a 3/5 creature is 2

Serum Sovereign is one of the better ones, and she lets you cast Serum Visions every time you cast a noncreature spell

This five-drop splashable flying 2/2 with evoke and then when it ETBs you are up cards for 2

Lead with Gisa and Geralf ($0.37) and lean on cards that cost less than a coffee: Lords: Diregraf Captain ($0.44), Cemetery Reaper ($0.46), Undead Warchief, Lord of the Accursed

Morska is quite versatile and very synergistic