Rabble-Rouser

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.)
{R}, {T}: Attacking creatures get +X/+0 until end of turn, where X is Rabble-Rouser's power.

Plunder

Destroy target artifact or land.
Suspend 4—{1}{R} (Rather than cast this card from your hand, you may pay {1}{R} and exile it with four time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

Tel-Jilad Justice

Destroy target artifact. Scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Mountain

Eternal Witness

When Eternal Witness enters, you may return target card from your graveyard to your hand.

Tel-Jilad Archers

Protection from artifacts; reach (This creature can block creatures with flying.)

Hearth Kami

{X}, Sacrifice Hearth Kami: Destroy target artifact with mana value X.

Detonate

Destroy target artifact with mana value X. It can't be regenerated. Detonate deals X damage to that artifact's controller.

Forest

Viridian Shaman

When Viridian Shaman enters, destroy target artifact.

Pulse of the Tangle

Create a 3/3 green Beast creature token. Then if an opponent controls more creatures than you, return Pulse of the Tangle to its owner's hand.

Deconstruct

Rain of Rust

Choose one —
• Destroy target artifact.
• Destroy target land.
Entwine {3}{R} (Choose both if you pay the entwine cost.)

Rustmouth Ogre

Whenever Rustmouth Ogre deals combat damage to a player, you may destroy target artifact that player controls.

Tel-Jilad Chosen

Indrik Stomphowler

When Indrik Stomphowler enters, destroy target artifact or enchantment.

Harmonize

Goblin Replica

{3}{R}, Sacrifice Goblin Replica: Destroy target artifact.

Demolish

Viridian Lorebearers

{3}{G}, {T}: Target creature gets +X/+X until end of turn, where X is the number of artifacts your opponents control.

Tel-Jilad Outrider

Ancient Grudge

Destroy target artifact.
Flashback {G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)