If a card is split between two decks, I pick one thats easier to remember where to look
1 Foil-etched legendary commander card and 99 non-foil cards, including lands
And if you cant find enough Nightmares to staff your grisly mill, Umbris also works just as well with Horrors, giving you more options during deckbuilding
Not only is Oona a potent token generator and mill engine, but they could even be a game-winning threat
Pippin, Guard of the Citadel Pippin, Guard of the Citadel can consistently keep another one of your creatures safe at very little cost, especially since it also has vigilance
A successful tri-color MTG deck also requires strong win conditions or cards to help you win the game