Sacrifice a creature: Add {C}{C}.

When this artifact enters, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.") {3}{B}, {T}, Sacrifice this artifact: Return up to two target creature cards from your graveyard to your hand.

When this artifact enters, scry 2. {2}, {T}, Sacrifice this artifact: You gain 3 life and draw a card.

{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, draw a card. {2}: Add one mana of any color.

Whenever you cast an artifact spell, you may put a charge counter on this artifact. Remove three charge counters from this artifact: Create a 3/3 colorless Golem artifact creature token.

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.

Whenever another creature you control enters, this creature deals 1 damage to each opponent. Unearth {R} ({R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

As an additional cost to cast this spell, sacrifice a land. Search your library for a land card, put that card onto the battlefield, then shuffle.

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.")

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.) If this spell was bargained, look at the top four cards of your library, then put up to two of them back on top of your library in any order and the rest into your graveyard. You draw two cards and you lose 2 life.

({T}: Add {G}.)

When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.) {T}: Add {C}. {1}, {T}: Add one mana of any color.

{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.