Draw two cards, then discard two cards.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Until end of turn, whenever a player taps an Island for mana, that player adds an additional .

When a player casts a spell, sacrifice this enchantment. If you do, each of that player's opponents draws three cards.

Spend only black mana on X.
Consume Spirit deals X damage to any target and you gain X life.

Reveal cards from the top of your library until you reveal a nonland card, then put all cards revealed this way into your hand.

Cast this spell only if you control two or more Vampires.
Destroy target creature. You gain 4 life.

Destroy each nonland permanent with mana value X or less.

Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.

Electrolyze deals 2 damage divided as you choose among one or two targets.
Draw a card.

Return all permanents of the color of your choice to their owners' hands.

Choose artifact, creature, or land. Tap all untapped permanents of the chosen type target player controls, or untap all tapped permanents of that type that player controls.

Flash (You may cast this spell any time you could cast an instant.)
When this creature enters, counter target activated ability. (Mana abilities can't be targeted.)
Whenever you cast a spell, you may return this creature to its owner's hand.

When this creature enters, destroy target land.

Search target opponent's library for an artifact card and put that card onto the battlefield under your control. Then that player shuffles.

Breath of Malfegor deals 5 damage to each opponent.

Corrupt deals damage to any target equal to the number of Swamps you control. You gain life equal to the damage dealt this way.