Awesome Cyber Monday

Flash (You may cast this spell any time you could cast an instant.) Enchant creature Whenever enchanted creature deals damage to an opponent, you m...

All Slivers have "Sacrifice this permanent: Add {B}{B}."

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Choose a counter on tar...

All Slivers have "Whenever this permanent becomes the target of a spell an opponent controls, you may draw a card."

Enchant player At the beginning of enchanted player's first upkeep each turn, that player gets an additional upkeep step after this step.

All Sliver creatures have shadow. (They can block or be blocked by only creatures with shadow.)

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library.

{1}, {T}, Sacrifice Chromatic Star: Add one mana of any color. When Chromatic Star is put into a graveyard from the battlefield, draw a card.

Grapeshot deals 1 damage to any target. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new target...

All Slivers have "{T}: Tap target permanent."

Search your library for an instant card or a card with flash, reveal it, and put it into your hand. Then shuffle your library. Flashback {5}{B} (Yo...

When Dream Stalker enters the battlefield, return a permanent you control to its owner's hand.

All Sliver creatures have flanking. (Whenever a creature without flanking blocks a Sliver, the blocking creature gets -1/-1 until end of turn.)

{T}: Add {C}. {1}{U}, {T}: Put target artifact card from your graveyard on top of your library.

All Slivers have "When this permanent enters the battlefield, destroy target artifact or enchantment."

If damage would be dealt to Dralnu, Lich Lord, sacrifice that many permanents instead. {T}: Target instant or sorcery card in your graveyard gains ...

All Sliver creatures have reach. (They can block creatures with flying.)

At the beginning of your upkeep, put a spore counter on Savage Thallid. Remove three spore counters from Savage Thallid: Create a 1/1 green Saproli...

Reach When Penumbra Spider dies, create a 2/4 black Spider creature token with reach.

All Slivers have "{T}: Add one mana of any color."

Enchant creature Enchanted creature has shroud. (It can't be the target of spells or abilities.) When Aspect of Mongoose is put into a graveyard fr...

Target player reveals a card at random from their hand. Ignite Memories deals damage to that player equal to that card's converted mana cost. Storm...

Whenever you cast a creature spell, create X 1/1 black Thrull creature tokens, where X is that spell's converted mana cost. When you control seven ...

Return target creature card from your graveyard to the battlefield. Flashback—Sacrifice three creatures. (You may cast this card from your graveyar...