Mirrodin Besieged

At the beginning of your upkeep, you may look at the top card of your library. If it's an instant or sorcery card, you may cast it without paying i...

Destroy target noncreature artifact.

Concussive Bolt deals 4 damage to target player or planeswalker. Metalcraft — If you control three or more artifacts, creatures controlled by that ...

Put any number of target artifact cards from your graveyard on top of your library. Draw a card.

Burn the Impure deals 3 damage to target creature. If that creature has infect, Burn the Impure deals 3 damage to that creature's controller.

When Blisterstick Shaman enters the battlefield, it deals 1 damage to any target.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) At the beginning of y...

When Phyrexian Rager enters the battlefield, you draw a card and you lose 1 life.

Destroy target artifact. You gain life equal to its converted mana cost.

Whenever a source deals damage to Nested Ghoul, create a 2/2 black Zombie creature token.

Return up to two target creature cards from your graveyard to your hand.

Target player discards a card, then puts the top card of their library into their graveyard.

Put target creature card from an opponent's graveyard onto the battlefield under your control. It gains haste. Exile it at the beginning of the nex...

Flying Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Sacrifice a cr...

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Lifelink (Damage deal...

When Caustic Hound dies, each player loses 4 life.

Put a -1/-1 counter on each attacking creature.

As an additional cost to cast this spell, sacrifice a creature. Draw three cards.

At the beginning of your upkeep, you may put a charge counter on target artifact.

{2}{U}, {T}: Put a -1/-1 counter on target creature. You may tap or untap that creature.

Creatures your opponents control get -2/-0 until end of turn.

When Treasure Mage enters the battlefield, you may search your library for an artifact card with converted mana cost 6 or greater, reveal it, put i...

Defender Metalcraft — As long as you control three or more artifacts, Spire Serpent gets +2/+2 and can attack as though it didn't have defender.