Whenever Serum Tank or another artifact enters the battlefield, put a charge counter on Serum Tank. {3}, {T}, Remove a charge counter from Serum Tank: Draw a card.
Flying Whenever you cast a noncreature spell, put an oil counter on Serum-Core Chimera. Remove three oil counters from Serum-Core Chimera: Draw a card. Then you may discard a nonland card. When you discard a card this way, Serum-Core Chimera deals 3 damage to target creature or planeswalker. Activate only as a sorcery.
Tap another untapped Rogue you control: Shadow Stinger gains deathtouch until end of turn. Whenever Shadow Stinger deals combat damage to a player, that player mills three cards.
Create two tapped 1/1 white Spirit creature tokens with flying.
"Whose shall the horn be? Who shall call them from the grey twilight, the forgotten people? The heir of him to whom the oath they swore." —Malbeth the Seer
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The next time a source of your choice would deal damage to you and/or creatures you control this turn, prevent that damage. If damage from a black source is prevented this way, you gain that much life.
Light creates shadow; light destroys shadow. Such is the transience of darkness.
Horses you control have haste. Whenever Shadowfax, Lord of Horses attacks, you may put a creature card with lesser power from your hand onto the battlefield tapped and attacking.
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Whenever a creature dies, scry 1. {4}{B}: Each opponent loses 2 life and you gain 2 life. Activate only if there are four or more creature cards in your graveyard.