mtg warhammer 40k commander deck lists Be'lakor, the Dark Master DEMONS Magic Custom Comman – CommanderComplete MTG Warhammer 40k chaos commander

You may leave it on top of your library or put it into your graveyard

Similarly, if you sacrifice a creature to activate a mana ability while casting a spell with convoke, that creature won't be on the battlefield when you pay the spell's costs, so you won't be able to tap it for convoke

Whether you are pairing this effect with Inverter of Truths orDoomsday, Oracle gets the job done better than any other card can

However, blue creatures often see play in the current Standard in their own mono-colored decks

Pinnacle Starcage will be vital to the Azorius Control archetype for the same reason Temporary Lockdown was - it helps stop early aggression