Scars of Mirrodin

This land enters tapped unless you control two or fewer other lands. {T}: Add {R} or {G}.

When this artifact enters, put a -1/-1 counter on each creature target player controls. {4}, {T}: Proliferate twice. (Choose any number of permanen...

When this artifact enters, put a -1/-1 counter on target creature. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then giv...

Flying This creature enters with two -1/-1 counters on it. {B}, Remove a -1/-1 counter from this creature: Put a -1/-1 counter on each other creature.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) {1}{G}: Regenerate th...

This land enters tapped unless you control two or fewer other lands. {T}: Add {B} or {R}.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.) Other green creatures you con...

Target creature gains double strike until end of turn. (It deals both first-strike and regular combat damage.)

Creatures you control have hexproof. {1}{G}: Regenerate target creature. (The next time it would be destroyed this turn, instead tap it, remove it ...

Equipped creature gets +6/+6. Whenever equipped creature attacks, destroy target permanent. Equip {6}

Equipped creature gets +0/+3 and has vigilance. (Attacking doesn't cause it to tap.) Equip {3} ({3}: Attach to target creature you control. Equip o...

Target player discards a card. If a land card is discarded this way, return Psychic Miasma to its owner's hand.

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

Whenever you cast an artifact spell, you may have target creature get +2/+0 and gain deathtouch until end of turn.

Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.

As long as this creature is on the battlefield, it has all activated abilities of all creature cards in all graveyards.

Whenever this creature attacks, gain control of target Equipment an opponent controls until end of turn. Attach it to this creature. When you lose ...

Each player shuffles the cards from their hand into their library, then draws that many cards. Metalcraft — If you control three or more artifacts,...

Destroy target land. Melt Terrain deals 2 damage to that land's controller.

As an additional cost to cast this spell, sacrifice an artifact. Create three 1/1 red Goblin creature tokens.

Flying, haste Metalcraft — {4}: Return this card from your graveyard to the battlefield. Activate only during your upkeep and only if you control t...

[+1]: Untap target Mountain. It becomes a 4/4 red Elemental creature until end of turn. It's still a land. [−2]: Add {R} for each Mountain you cont...

Flying {3}{R}: Destroy target artifact. This creature gets +X/+0 until end of turn, where X is that artifact's mana value.

Trample This creature gets +2/+0 for each Equipment attached to it.