Reckless Impulse

Exile the top two cards of your library. Until the end of your next turn, you may play those cards.

Ardent Recruit

Metalcraft — Ardent Recruit gets +2/+2 as long as you control three or more artifacts.

Ancient Den

Myr Enforcer

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

Rustvale Bridge

Rustvale Bridge enters tapped.
Indestructible
{T}: Add {R} or {W}.

Crimson Acolyte

Protection from red
{W}: Target creature gains protection from red until end of turn.

Springleaf Drum

{T}, Tap an untapped creature you control: Add one mana of any color.

Gorilla Shaman

{X}{X}{1}: Destroy target noncreature artifact with mana value X.

Seat of the Synod

Galvanic Blast

Galvanic Blast deals 2 damage to any target.
Metalcraft — Galvanic Blast deals 4 damage instead if you control three or more artifacts.

Experimental Synthesizer

When Experimental Synthesizer enters or leaves the battlefield, exile the top card of your library. Until end of turn, you may play that card.
{2}{R}, Sacrifice Experimental Synthesizer: Create a 2/2 white Samurai creature token with vigilance. Activate only as a sorcery.

Razortide Bridge

Razortide Bridge enters tapped.
Indestructible
{T}: Add {W} or {U}.

Glint Hawk

Flying
When Glint Hawk enters, sacrifice it unless you return an artifact you control to its owner's hand.

Thoughtcast

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Draw two cards.

Great Furnace

Silverbluff Bridge

Silverbluff Bridge enters tapped.
Indestructible
{T}: Add {U} or {R}.

Dispel

Gingerbrute

Haste (This creature can attack and {T} as soon as it comes under your control.)
{1}: Gingerbrute can't be blocked this turn except by creatures with haste.
{2}, {T}, Sacrifice Gingerbrute: You gain 3 life.

Frogmite

Pyroblast

Choose one —
• Counter target spell if it's blue.
• Destroy target permanent if it's blue.

End the Festivities

End the Festivities deals 1 damage to each opponent and each creature and planeswalker they control.

All That Glitters

Enchant creature
Enchanted creature gets +1/+1 for each artifact and/or enchantment you control.