Awesome Cyber Monday

Whenever Mycoid Shepherd or another creature you control with power 5 or greater dies, you may gain 5 life.

When Leonin Armorguard enters the battlefield, creatures you control get +1/+1 until end of turn.

Intimidation Bolt deals 3 damage to target creature. Other creatures can't attack this turn.

As long as it's your turn, creatures you control get +2/+0. As long as it's not your turn, creatures you control get +0/+2.

Destroy all blocking creatures and all blocked creatures.

Vigilance, haste

Pay 2 life: Putrid Leech gets +2/+2 until end of turn. Activate only once each turn.

Exile target creature card from a graveyard, then create X 1/1 green Saproling creature tokens, where X is the exiled card's toughness.

Devour 2 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with twice that many +1/+...

Destroy target nonland permanent and all other permanents with the same name as that permanent.

Lord of Extinction's power and toughness are each equal to the number of cards in all graveyards.

Flying Whenever Spellbound Dragon attacks, draw a card, then discard a card. Spellbound Dragon gets +X/+0 until end of turn, where X is the discar...

Counter target spell unless its controller pays {4}. You gain 4 life.

Whenever Skyclaw Thrash attacks, flip a coin. If you win the flip, Skyclaw Thrash gets +1/+1 and gains flying until end of turn.

Enchant creature Enchanted creature gets +2/+0 and has flying.

Counter up to two target spells.

Whenever you cast a multicolored instant or sorcery spell, you may pay {1}. If you do, copy that spell. You may choose new targets for the copy.

Until end of turn, creatures you control get +1/+1 and creatures your opponents control get -1/-1.

{T}: Tap target creature unless its controller pays 2 life.

{T}, Sacrifice Tainted Sigil: You gain life equal to the total life lost by all players this turn. (Damage causes loss of life.)

When Necromancer's Covenant enters the battlefield, exile all creature cards from target player's graveyard, then create a 2/2 black Zombie creatur...

Exile all cards from target player's hand and graveyard.

You may pay {1} and return a basic land you control to its owner's hand rather than pay this spell's mana cost. Wildfield Borderpost enters the ba...

As Meddling Mage enters the battlefield, choose a nonland card name. Spells with the chosen name can't be cast.