Blasphemous Act

This spell costs {1} less to cast for each creature on the battlefield.
Blasphemous Act deals 13 damage to each creature.

Adelbert Steiner

Lifelink
Adelbert Steiner gets +1/+1 for each Equipment you control.

Sacred Foundry

({T}: Add {R} or {W}.)
As this land enters, you may pay 2 life. If you don't, it enters tapped.

Samurai's Katana

Job select (When this Equipment enters, create a 1/1 colorless Hero creature token, then attach this to it.)
Equipped creature gets +2/+2, has trample and haste, and is a Samurai in addition to its other types.
Murasame — Equip {5}

Battlefield Forge

{T}: Add {C}.
{T}: Add {R} or {W}. This land deals 1 damage to you.

Rocket-Powered Goblin Glider

When this Equipment enters, if it was cast from your graveyard, attach it to target creature you control.
Equipped creature gets +2/+0 and has flying and haste.
Equip {2}
Mayhem {2}

Honor

Put a +1/+1 counter on target creature.
Draw a card.

Judgment Bolt

Judgment Bolt deals 5 damage to target creature and X damage to that creature's controller, where X is the number of Equipment you control.

Temple of Triumph

This land enters tapped.
When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.)
{T}: Add {R} or {W}.

Plains

Amy Rose

Haste
Whenever Amy Rose attacks, attach up to one target Equipment to her. Then up to one other target attacking creature gets +X/+0 until end of turn, where X is Amy Rose's power.

Mountain

Evershrike's Gift

Enchant creature
Enchanted creature gets +1/+0 and has flying.
{1}{W}, Blight 2: Return this card from your graveyard to your hand. Activate only as a sorcery. (To blight 2, put two -1/-1 counters on a creature you control.)

Spirit Mantle

Enchant creature
Enchanted creature gets +1/+1 and has protection from creatures.

Rosa, Resolute White Mage

Reach (This creature can block creatures with flying.)
At the beginning of combat on your turn, put a +1/+1 counter on target creature you control. It gains lifelink until end of turn. (Damage dealt by the creature also causes you to gain that much life.)

Vandalblast

Destroy target artifact you don't control.
Overload {4}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Ultima Weapon

Whenever equipped creature attacks, destroy target creature an opponent controls.
Equipped creature gets +7/+7.
Equip {7}

Danitha Capashen, Paragon

First strike, vigilance, lifelink
Aura and Equipment spells you cast cost {1} less to cast.

Slash of Light

Slash of Light deals damage equal to the number of creatures you control plus the number of Equipment you control to target creature.

Chaos Warp

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Clifftop Retreat

This land enters tapped unless you control a Mountain or a Plains.
{T}: Add {R} or {W}.

Shock

Radiant Summit

({T}: Add {R} or {W}.)
This land enters tapped unless you control two or more basic lands.

Freya Crescent

Jump — During your turn, Freya Crescent has flying.
{T}: Add {R}. Spend this mana only to cast an Equipment spell or activate an equip ability.

Beatrix, Loyal General

Vigilance (Attacking doesn't cause this creature to tap.)
At the beginning of combat on your turn, you may attach any number of Equipment you control to target creature you control.