{1}, {T}, Sacrifice this artifact: Add one mana of any color. When this artifact is put into a graveyard from the battlefield, draw a card.

When this artifact enters or is put into a graveyard from the battlefield, draw a card.

When this artifact enters, scry 1, then draw a card. {2}, {T}, Sacrifice this artifact: You gain 3 life. When this artifact is put into a graveyard from the battlefield, its owner shuffles it into their library.

({T}: Add {G}.)

This land enters tapped. As this land enters, choose a color other than green. {T}: Add {G} or one mana of the chosen color.

({T}: Add {R}.)

({T}: Add {B}.)

This land enters tapped. As it enters, choose a color other than green. {T}: Add {G} or one mana of the chosen color.

{T}: Add {G}.

Devoid (This card has no color.) {1}{G}: Adapt 1. (If this creature has no +1/+1 counters on it, put a +1/+1 counter on it.) Whenever one or more +1/+1 counters are put on this creature, you may create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this token: Add {C}."

Whenever a token you control leaves the battlefield, each opponent loses 1 life and you gain 1 life.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.) When this creature enters, if it was bargained, exile target artifact or enchantment an opponent controls.

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards. Flashback {4}{B} (You may cast this card from your graveyard for its flashback cost and any additional costs. Then exile it.)