Search your library for up to three creature cards, put them into your graveyard, then shuffle.

Search your library for a nonlegendary card, put that card into your graveyard, then shuffle.

{T}: Add one mana of any color in your commander's color identity.

Prevent all combat damage that would be dealt to attacking creatures you control.

Activated abilities of creatures cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

{T}: Mill two cards. {2}, Exile this artifact: Shuffle any number of target cards from your graveyard into your library.

{T}: Add {C}{C}.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

{T}: Add {C}. {T}: Add {U} or {B}. This artifact deals 1 damage to you.

Flying, trample Pay 2 life: Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

{U}, {T}: Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

{T}: Draw two cards, then discard three cards.

When this creature enters, creatures your opponents control get -2/-2 until end of turn. Whenever a creature an opponent controls dies, that player loses 2 life.

Flying {1}{U}: This creature's owner shuffles it into their library. If that player does, they reveal cards from the top of that library until a card named Mirror-Mad Phantasm is revealed. The player puts that card onto the battlefield and all other cards revealed this way into their graveyard.

{T}: Add {C}{U}. Spend this mana only to activate abilities.

At the beginning of your upkeep, discard a card.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) At the beginning of your upkeep, return target creature card from your graveyard to the battlefield. At the beginning of each opponent's upkeep, that player sacrifices a creature of their choice.

Enchant creature card in a graveyard When this Aura enters, if it's on the battlefield, it loses "enchant creature card in a graveyard" and gains "enchant creature put onto the battlefield with this Aura." Return enchanted creature card to the battlefield under your control and attach this Aura to it. When this Aura leaves the battlefield, that creature's controller sacrifices it. Enchanted creature gets -1/-0.

Enchant creature card in a graveyard When this Aura enters, if it's on the battlefield, it loses "enchant creature card in a graveyard" and gains "enchant creature put onto the battlefield with this Aura." Put enchanted creature card onto the battlefield tapped under your control and attach this Aura to it. When this Aura leaves the battlefield, that creature's controller sacrifices it. Enchanted creature gets +1/+1 and doesn't untap during its controller's untap step. At the beginning of the upkeep of enchanted creature's controller, that player may pay {1}{B}. If the player does, untap that creature.

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.) Draw a card.

Search your library for a card, put that card into your graveyard, then shuffle.

Draw two cards, then discard two cards. Untap up to three lands.

Surveil 2, then choose an instant or sorcery card in your graveyard. You may cast it this turn. If that spell would be put into your graveyard, exile it instead. (To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)