Improvise
This artifact enters tapped.
: Add .

Equipped creature has ": This creature deals 1 damage to target creature that's blocking it."
Equip

When this artifact enters, put a +1/+1 counter on each of up to four target creatures.
, , Sacrifice a token: Double the number of each kind of counter on target creature.

, : Draw a card.

: Add .
, : Until end of turn, creatures your opponents control lose hexproof and shroud and can't have hexproof or shroud.

Prototype — 2/1
When this creature enters, if you cast it, exile target instant or sorcery card with mana value less than or equal to this creature's power from your graveyard. Copy that card. You may cast the copy without paying its mana cost.

This land enters tapped.
: Add , , or .

: Add one mana of any color in your commander's color identity.

, , Sacrifice a land: Draw a card and put a charge counter on this artifact.
Remove three charge counters from this artifact: Draw a card.

Trample
Whenever another artifact enters, put a +1/+1 counter on this creature.
Modular 1

Fear
At the beginning of your upkeep, you may move a +1/+1 counter from target creature onto this creature.
Modular 3

Haste
Modular 2

First strike
Modular 4

At the beginning of your upkeep, put a +1/+1 counter on each creature you control with modular.
Modular 6

Sacrifice an artifact: Put a +1/+1 counter on this creature.
Modular 1

Remove a +1/+1 counter from this creature: Put target artifact card from your graveyard on top of your library.
Modular 2

Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.
Modular 1

Flying
Modular 1

Modular — Sunburst (This enters with a +1/+1 counter on it for each color of mana spent to cast it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Ascend
: Add .
, : Draw a card. Activate only if you have the city's blessing.

: Add .
, Sacrifice this land: Add one mana of any color.