You lose 2 life and draw two cards, then clash with an opponent. If you win, repeat this process. (Each clashing player reveals the top card of their library, then puts that card on their choice of the top or bottom. A player wins if their card had a greater mana value.)

Whenever equipped creature deals damage to a creature, tap that creature. That creature doesn't untap during its controller's untap step for as long as this Equipment remains on the battlefield.
Whenever equipped creature deals damage to a player, that player loses 1 life.
Equip

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

At the beginning of your first main phase, add for each charge counter on this artifact.
, : Destroy target creature. Then put a charge counter on this artifact.

Enchant player
Whenever enchanted player is attacked, create a Gold token. Each opponent attacking that player does the same. (A Gold token is an artifact with "Sacrifice this token: Add one mana of any color.")

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
When this creature enters, destroy target artifact, enchantment, or land.

When this creature enters, choose target face-up exiled card. Its owner shuffles it into their library.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)
Exile all creatures except those that share a creature type with a creature that convoked this spell, all artifacts, and all enchantments.

(Gain the next level as a sorcery to add its ability.)
When this Class enters, draw two cards, then discard two cards.
: Level 2
Creatures you control have ": Add or . Spend this mana only to cast an instant or sorcery spell or to gain a Class level."
: Level 3
Whenever you cast an instant or sorcery spell, that spell deals damage to each opponent equal to the number of instant and sorcery spells you've cast this turn.

+1: Create a 1/1 colorless Thopter artifact creature token with flying.
0: Draw a card. If you control three or more artifacts, draw two cards instead.
−9: You get an emblem with "At the beginning of your end step, search your library for a permanent card, put it onto the battlefield, then shuffle."

At the beginning of your upkeep, this creature deals 1 damage to each opponent. You gain life equal to the damage dealt this way.

Lands you control have ": Add one mana of any color."
: Add one mana of any color.

Other blue creatures you control have "Whenever this creature becomes tapped, draw a card, then discard a card."
Other artifact creatures you control get +1/+1.
: Until end of turn, target creature you control becomes a blue artifact in addition to its other colors and types. Activate only as a sorcery. ( can be paid with either or 2 life.)

Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this token: Add ."
Whenever another colorless creature you control enters, this creature deals 1 damage to each opponent.

Trample
Whenever this creature deals combat damage to a player, create that many 1/1 green Insect creature tokens.

Equipped creature has deathtouch and lifelink. (Any amount of damage it deals to a creature is enough to destroy it. Damage dealt by this creature also causes you to gain that much life.)
Equip (: Attach to target creature you control. Equip only as a sorcery.)

, Sacrifice another creature: Draw cards equal to the sacrificed creature's power, then discard a card.
When Tom, Bert, and William die, if they were a creature, return them to the battlefield. They're an artifact. (They're no longer a creature.)

: Add .
: Add . Activate only if you control a Mountain or a Forest.

Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.)
Equipped creature gets +4/+4 and has vigilance and lifelink.
: Return this Equipment to its owner's hand.
Equip

This creature enters with three +1/+1 counters on it.
Remove a +1/+1 counter from this creature: It deals 1 damage to any target.