Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for 1.) Flying At the beginning of your end step, each opponent discards a card. 1B, Sacrifice an artifact: Target creature gets -2/-2 until end of turn.
Ghastlord of Fugue is unblockable. Whenever Ghastlord of Fugue deals combat damage to a player, that player reveals his or her hand. Choose a card from it. That player removes that card from the game.
Choose two — • Return target creature card with mana value 2 or less from your graveyard to the battlefield. • You gain 4 life. • Counter target creature spell. • Draw a card.
Double strike Eternalize 3WW (3WW, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Cat with no mana cost. Eternalize only as a sorcery.)
If target player has exactly 10 life, Hidetsugu's Second Rite deals 10 damage to that player.
Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.
Sigil of Distinction comes into play with X charge counters on it. Equipped creature gets +1/+1 for each charge counter on Sigil of Distinction. Equip—Remove a charge counter from Sigil of Distinction.
Search your library for up to two enchantment cards, reveal them, put them into your hand, then shuffle.
Haste Whenever you discard a card, Glint-Horn Buccaneer deals 1 damage to each opponent. 1R, Discard a card: Draw a card. Activate this ability if Glint-Horn Buccaneer is attacking.
Whenever a creature you control enters, it explores. (Reveal the top card of your library. Put that card into your hand if it’s a land. Otherwise, put a +1/+1 counter on the creature, then put the card back or put it into your graveyard.)
T: Creatures you control gain protection from the color(s) of target permanent you control until end of turn.
Draw a card for each creature you control. Ferocious — You gain 4 life for each creature you control with power 4 or greater.
As Frontier Siege enters the battlefield, choose Khans or Dragons. • Khans — At the beginning of each of your main phases, add GG to your mana pool. • Dragons — Whenever a creature with flying enters the battlefield under your control, you may have it fight target creature you don't control.
(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Return all legendary permanent cards from your graveyard to the battlefield.
When Necromancer’s Covenant enters, exile all creature cards from target player’s graveyard, then create a 2/2 black Zombie creature token for each card exiled this way. Zombies you control have lifelink.