(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)
When this Siege enters, exile target nonland permanent an opponent controls that isn't exactly two colors.

At the beginning of your upkeep, if you control three or more artifacts, you gain 1 life.
: Add .
, , Sacrifice Inventors' Fair: Search your library for an artifact card, reveal it, put it into your hand, then shuffle. Activate only if you control three or more artifacts.

Equipped creature gets +1/+2.
Whenever an Artificer you control enters, you may attach this Equipment to it.
Equip

At the beginning of combat on your turn, switch the power and toughness of each of any number of target creatures until end of turn.

This artifact enters with a number of suspect counters on it equal to the greatest number of creatures a player controls.
, , Remove a suspect counter from this artifact: Draw a card.
, Sacrifice this artifact: Draw a card.

When you planeswalk to Inys Haen and at the beginning of your upkeep, mill three cards.
When you planeswalk away from Inys Haen, each player returns all land cards from their graveyard to the battlefield tapped.

Whenever chaos ensues, return target nonland card from your graveyard to your hand.

: Add .
, Pay 1 life: Add .
, , Sacrifice a Desert: Target player mills four cards.

Become strong with Iroh

This creature enters with a +1/+1 counter on it.
When this creature dies, if it had counters on it, put those counters on target creature you control.

Menace
When this creature enters, put a +1/+1 counter on target creature.

Vigilance, reach, trample

Vigilance
This creature attacks or blocks each combat if able.

This land enters tapped.
: Add or .
, , Sacrifice this land: Put two +1/+1 counters on target Dwarf you control. Activate only as a sorcery.

, : Target creature gains first strike until end of turn.

Haste
Fabricate 1

At the beginning of each opponent's upkeep, this artifact deals X damage to that player, where X is the number of cards in their hand minus 4.

Trample
When Iron Man dies, tear it into pieces and exile the pieces.

Churn out artifacts with the industrial might of Stark Industries.

When this Equipment enters, attach it to target creature you control.
Equipped creature gets +2/+1 and has flying.
: If this Equipment isn't a creature, it becomes a 0/0 Construct Hero artifact creature with flying and "This creature gets +1/+1 for each artifact you control" until end of turn.
Equip

Do Not Shuffle.

Whenever this creature attacks, roll a d20 for each player being attacked and ignore all but the highest roll.
1-9 | This creature deals damage equal to its power to you.
10-19 | This creature deals damage equal to its power to defending player.
20 | This creature deals damage equal to its power to each opponent.

: Add .