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

{3}, {T} or {R}, {T}: This artifact deals 1 damage to any target.

Choose one — • Until end of turn, you gain control of target creature and it gains haste. • Sacrifice a creature. Grab the Reins deals damage equal to that creature's power to any target. Entwine {2}{R} (Choose both if you pay the entwine cost.)

Pulse of the Forge deals 4 damage to target player or planeswalker. Then if that player or that planeswalker's controller has more life than you, return Pulse of the Forge to its owner's hand.

Defender (This creature can't attack.)

Whenever this creature attacks, create a colorless Construct artifact creature token named Twin that's attacking. Its power is equal to this creature's power and its toughness is equal to this creature's toughness. Sacrifice the token at end of combat.

When this creature enters, sacrifice it unless you sacrifice an artifact.

Affinity for Mountains (This spell costs {1} less to cast for each Mountain you control.) Haste

({T}: Add {R}.)

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

Destroy target land. If that land was nonbasic, Molten Rain deals 2 damage to the land's controller.

Sacrifice an artifact: This creature gets +1/+0 and gains first strike until end of turn.