: Add .
, , Sacrifice this artifact: Draw two cards.

Equipped creature gets +1/+1.
Whenever equipped creature becomes blocked by one or more colorless creatures, it gains deathtouch until end of turn.
Equip

: Add .

Creatures with power 7 or greater can't attack or block.

Whenever chaos ensues, create a 7/7 colorless Eldrazi creature token with annihilator 1.

Equipped creature gets +X/+X, where X is its mana value.
Equip

Landfall — Whenever a land you control enters, this creature gets +2/+2 until end of turn.

Landfall — Whenever a land you control enters, this creature gets +1/+1 until end of turn.

Strength through sacrifice

Equipped creature gets +3/+1.
Whenever equipped creature dies, you may reveal cards from the top of your library until you reveal a creature card that shares a creature type with it. Put that card into your hand and the rest on the bottom of your library in a random order.
Equip

, : Draw a card. For each mana in this ability's activation cost, you may tap an untapped creature you control rather than pay that mana. Activate only as a sorcery.

Sunburst
, Sacrifice this artifact: It deals damage equal to the number of charge counters on it to any target.

: Add .
, : You get (an energy counter).
, , Pay X , Sacrifice this land: Destroy target nonland permanent with mana value X. Activate only as a sorcery.

: Add .
, : Put a pressure counter on this land.
, , Remove two pressure counters from this land and sacrifice it: Create a 4/4 red Hellion creature token with haste.

This land enters tapped.
When this land enters, you gain 1 life.
: Add or .

Spells cost less to cast.

, : Target creature gains banding until end of turn.

Equipped creature has first strike, trample, and haste.
: If you control Equipment named Helm of Kaldra, Sword of Kaldra, and Shield of Kaldra, create Kaldra, a legendary 4/4 colorless Avatar creature token. Attach those Equipment to it.
Equip

, : Target opponent mills a card, then repeats this process until a creature card or X cards have been put into their graveyard this way, whichever comes first. If one or more creature cards were put into that graveyard this way, sacrifice this artifact and put one of them onto the battlefield under your control. X can't be 0.

You may choose not to untap this artifact during your untap step.
, , Sacrifice a creature: Gain control of target creature for as long as you control this artifact and this artifact remains tapped.

Equipped creature gets +1/+1 for each enchantment you control.
Equip

At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary. That token gains haste.
Equip

, : Exile target creature you control.
, : Exile target creature you don't control.
When Helvault is put into a graveyard from the battlefield, return all cards exiled with it to the battlefield under their owners' control.

: This creature gets +2/+0 until end of turn.

Whenever a player casts a red spell, you may pay . If you do, untap target permanent.

When this creature enters, exile target tapped creature an opponent controls until this creature leaves the battlefield.

: This creature gains trample until end of turn.

: Add .
, : Add one mana of any color.