HexproofAs long as Siege Behemoth is attacking, for each creature you control, you may have that creature assign its combat damage as though it weren't blocked.
Prevent all damage that would be dealt to you and planeswalkers you control this turn by sources you don't control. If damage from a creature source is prevented this way, Comeuppance deals that much damage to that creature. If damage from a noncreature source is prevented this way, Comeuppance deals that much damage to the source's controller.
FlyingLieutenant — As long as you control your commander, Demon of Wailing Agonies gets +2/+2 and has "Whenever Demon of Wailing Agonies deals combat damage to a player, that player sacrifices a creature of their choice."
When Titania, Protector of Argoth enters, return target land card from your graveyard to the battlefield.Whenever a land you control is put into a graveyard from the battlefield, create a 5/3 green Elemental creature token.
Each player sacrifices all artifacts, enchantments, and nonbasic lands they control. For each land sacrificed this way, its controller may search their library for a basic land card and put it onto the battlefield tapped. Then each player who searched their library this way shuffles.
When Gray Merchant of Asphodel enters, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. (Each in the mana costs of permanents you control counts toward your devotion to black.)
Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and no matter when it came under your control.)Equip (: Attach to target creature you control. Equip only as a sorcery.)
, : Create a token that's a copy of target creature card in your graveyard, except it's an artifact in addition to its other types. It gains haste. Sacrifice it at the beginning of the next end step.
DeathtouchAt the beginning of combat on your turn, choose an opponent at random. Raving Dead attacks that player this combat if able.Whenever Raving Dead deals combat damage to a player, that player loses half their life, rounded down.
+1: Look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.−1: Untap up to four target permanents.−10: You get an emblem with "You may activate loyalty abilities of planeswalkers you control on any player's turn any time you could cast an instant."Teferi, Temporal Archmage can be your commander.
Cast this spell only during combat on an opponent's turn.Return X target creature cards from your graveyard to the battlefield. Sacrifice those creatures at the beginning of the next end step.
Kicker (You may pay an additional as you cast this spell.)Create a token that's a copy of target creature. If this spell was kicked, create five of those tokens instead.