Palladium Myr

Iron Myr

Fire Diamond

Fire Diamond enters tapped.
{T}: Add {R}.

Thran Dynamo

Sol Ring

Worn Powerstone

Worn Powerstone enters tapped.
{T}: Add {C}{C}.

Breaker of Armies

All creatures able to block Breaker of Armies do so.

Decimator of the Provinces

Emerge {6}{G}{G}{G} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)
When you cast this spell, creatures you control get +2/+2 and gain trample until end of turn.
Trample, haste

Artisan of Kozilek

When you cast this spell, you may return target creature card from your graveyard to the battlefield.
Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents of their choice.)

Desolation Twin

When you cast this spell, create a 10/10 colorless Eldrazi creature token.

Mountain

Bust

Boom

Destroy target land you control and target land you don't control.