This land enters tapped. As it enters, choose a color.
: Add one mana of the chosen color.
, : For each color among monocolored permanents you control, add one mana of that color.

: Add .
, , Discard a card: Look at the top X cards of your library, where X is the number of artifacts you control. Put one of those cards into your hand and the rest on the bottom of your library in a random order.

Create a token that's a copy of target artifact or creature you control, except it's an artifact in addition to its other types. It gains haste until end of turn. Sacrifice it at the beginning of the next end step.

Menace
At the beginning of your upkeep, you may create a Treasure token. When you do, target opponent creates a tapped Treasure token.
Whenever this creature attacks, it deals damage to defending player equal to the number of artifacts they control.

During your turn, your opponents can't cast spells or activate abilities of artifacts, creatures, or enchantments.

Creatures entering don't cause abilities to trigger.

Indestructible
Equipped creature gets +3/+3 and has vigilance and ", Sacrifice this creature: Add three mana of any one color."
Equip

When this creature enters, create a 3/3 colorless Golem artifact creature token.
, : Put a +1/+1 counter on each creature token you control. They gain trample until end of turn.

If you would create one or more artifact tokens, instead create those tokens plus an additional Map token. (It's an artifact with ", , Sacrifice this token: Target creature you control explores. Activate only as a sorcery.")
, : Create a token that's a copy of target artifact token you control.

Equipped creature gets +2/+2 and has protection from instants and from sorceries.
Whenever equipped creature deals combat damage to a player, create a Treasure token. When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.
Equip

When this artifact enters, scry 2.
Whenever another artifact you control with mana value 3 or greater enters, create a 0/0 colorless Construct artifact creature token with "This token gets +1/+1 for each artifact you control."

When this enchantment enters, search your library for up to five land cards that have different names, exile them, then shuffle.
At the beginning of your end step, choose a card at random exiled with this enchantment and put it onto the battlefield tapped.

Menace
When this creature enters, other creatures get -2/-2 until end of turn.
, Discard this card: Target creature gets -2/-2 until end of turn.

Trample
Whenever this creature or another creature you control with power 4 or greater enters, you gain 3 life and draw a card.
When this creature dies, if it's not a token, create a token that's a copy of it, except it's an artifact in addition to its other types.