sleeved card storage box Realm Guard Boros MTG Deck 100+ sleeved cards Playing Card Boxes that fit

Alternatively they might be trying to force through a planeswalker and you can simply Veto that and that is that done with

You see, when the creature returns from the graveyard, and if you have a way to remove the -1/-1 counter, say, with Vizier of RemediesVizier of Remedies or Renata, Called to the HuntRenata, Called to the Hunt, you can put together all kinds of loops that trigger off things dying and entering the battlefield, and you can easily go off with sacrifice outlets like Altar of DementiaAltar of Dementia and Ashnod's AltarAshnod's Altar

I wouldnt have thought it would rank so highly, but after play, its much better

Black Rose Dragon