Vigilance, : Copy target activated or triggered ability you control from a colorless source. You may choose new targets for the copy. (Mana abilities can't be targeted.)
+2: Each opponent loses 1 life. You gain life equal to the life lost this way.−2: Create a 5/5 black Demon creature token with flying. You lose 2 life.−8: You get an emblem with ", Sacrifice a creature: You gain X life and draw X cards, where X is the sacrificed creature's power."Ob Nixilis of the Black Oath can be your commander.
Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.
Exile target creature. Its controller manifests the top card of their library. (That player puts the top card of their library onto the battlefield face down as a 2/2 creature. If it's a creature card, it can be turned face up any time for its mana cost.)
First strike (This creature deals combat damage before creatures without first strike.)Whenever Odric, Master Tactician and at least three other creatures attack, you choose which creatures block this combat and how those creatures block.
Whenever an opponent attacks you and/or one or more planeswalkers you control, exile the top card of that player's library. You may play that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast it.
Flying, trampleOnce during each of your turns, you may cast an enchantment spell by paying life equal to its mana value rather than paying its mana cost., Sacrifice another enchantment: Demon of Fate's Design gets +X/+0 until end of turn, where X is the sacrificed enchantment's mana value.
When Bastion of Remembrance enters, create a 1/1 white Human Soldier creature token.Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life.
As Icon of Ancestry enters, choose a creature type.Creatures you control of the chosen type get +1/+1., : Look at the top three cards of your library. You may reveal a creature card of the chosen type from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
HasteWhenever a creature an opponent controls dies, put a +1/+1 counter on Yahenni, Undying Partisan.Sacrifice another creature: Yahenni gains indestructible until end of turn.
Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)Whenever a creature you control attacks alone, it gains double strike until end of turn.
