When this artifact enters or is put into a graveyard from the battlefield, you draw a card and you lose 1 life.

When this artifact enters, create two 1/1 colorless Gnome artifact creature tokens. {W}, Sacrifice this artifact: You gain 3 life.

This land enters tapped. {T}: Add {B}. {4}{B}, {T}, Sacrifice this land: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

({T}: Add {W}.)

{T}: Add {C}. {1}, {T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

When this creature enters, each player sacrifices two creatures of their choice.

{T}, Sacrifice another creature or artifact: Each opponent loses 1 life and you gain 1 life.

Ward—Pay 3 life. Whenever you gain life, Amalia Benavides Aguirre explores. Then destroy all other creatures if its power is exactly 20. (To have this creature explore, reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Fathomless descent — When this creature enters, target creature an opponent controls gets -X/-X until end of turn, where X is the number of permanent cards in your graveyard.

When this creature enters, you may search your library for a basic land card or Cave card, reveal it, then shuffle and put that card on top.

When this creature enters, you may sacrifice another creature or artifact. When you do, put a +1/+1 counter on each of up to two target creatures.

When this creature dies, scry 1 and create a Treasure token. (To scry 1, look at the top card of your library. You may put that card on the bottom. A Treasure token is an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

When this creature enters, target creature you control gets +2/+0 and gains indestructible until end of turn. Swampcycling {2} ({2}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

Flying Whenever this creature attacks, mill a card. (Put the top card of your library into your graveyard.)

Flying When this creature enters, you gain 3 life. Plainscycling {2} ({2}, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle.)

As an additional cost to cast this spell, discard a card or pay 3 life. Destroy target creature or planeswalker.

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards and create a Map token. (It's an artifact with "{1}, {T}, Sacrifice this token: Target creature you control explores. Activate only as a sorcery.")