Arachnoid

Reach (This creature can block creatures with flying.)

Mountain

Maggot Carrier

When Maggot Carrier enters, each player loses 1 life.

Copper Myr

Mindstab Thrull

Whenever Mindstab Thrull attacks and isn't blocked, you may sacrifice it. If you do, defending player discards three cards.

Scavenging Scarab

Deathgazer

Whenever Deathgazer blocks or becomes blocked by a nonblack creature, destroy that creature at end of combat.

Synod Centurion

When you control no other artifacts, sacrifice Synod Centurion.

Talon of Pain

Whenever a source you control other than Talon of Pain deals damage to an opponent, put a charge counter on Talon of Pain.
{X}, {T}, Remove X charge counters from Talon of Pain: It deals X damage to any target.

Talisman of Unity

{T}: Add {C}.
{T}: Add {G} or {W}. Talisman of Unity deals 1 damage to you.

Urborg Elf

Wall of Spears

Defender (This creature can't attack.)
First strike

Tangle Golem

Affinity for Forests (This spell costs {1} less to cast for each Forest you control.)

Goblin Replica

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

Darksteel Pendant

Indestructible (Effects that say "destroy" don't destroy this artifact.)
{1}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Darksteel Brute

Indestructible (Damage and effects that say "destroy" don't destroy this artifact.)
{3}: Darksteel Brute becomes a 2/2 Beast artifact creature until end of turn.

Mogg Hollows

{T}: Add {C}.
{T}: Add {R} or {G}. Mogg Hollows doesn't untap during your next untap step.

Ravenous Rats

When Ravenous Rats enters, target opponent discards a card.

Alpha Myr

Forest

Granite Shard

{3}, {T} or {R}, {T}: Granite Shard deals 1 damage to any target.

Burden of Greed

Target player loses 1 life for each tapped artifact they control.

Fireball

This spell costs {1} more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.

Accelerated Mutation

Target creature gets +X/+X until end of turn, where X is the highest mana value among permanents you control.

Dusk Imp

Duskworker

Whenever Duskworker becomes blocked, regenerate it.
{3}: Duskworker gets +1/+0 until end of turn.

Geth's Grimoire

Whenever an opponent discards a card, you may draw a card.

Hematite Golem

{1}{R}: Hematite Golem gets +2/+0 until end of turn.

Island

Myr Quadropod

{3}: Switch Myr Quadropod's power and toughness until end of turn.

Vicious Hunger

Vicious Hunger deals 2 damage to target creature and you gain 2 life.

Swamp

Clockwork Vorrac

Trample
Clockwork Vorrac enters with four +1/+1 counters on it.
Whenever Clockwork Vorrac attacks or blocks, remove a +1/+1 counter from it at end of combat.
{T}: Put a +1/+1 counter on Clockwork Vorrac.

Vault of Whispers

Brainstorm

Draw three cards, then put two cards from your hand on top of your library in any order.