When this creature enters, each opponent discards a card.

{T}: Add {C}. {4}{B}, {T}, Sacrifice this land: Target opponent sacrifices a creature of their choice.

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

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {U}{B}.

This land enters tapped. {T}: Add {U} or {B}.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {U} or {B}.

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

({T}: Add {U}.)

This land enters tapped. {T}: Add {U}. {4}{U}, {T}, Sacrifice this land: Draw two cards.

You have no maximum hand size. {T}: Add {C}.

{T}: Add {U}.

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

({T}: Add {B}.)

This land enters tapped. {T}: Add {U}. {1}{U}, {T}, Sacrifice this land: Draw a card.

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

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

As an additional cost to cast this spell, you may exile any number of blue cards from your hand. This spell costs {2} less to cast for each card exiled this way. Up to X target creatures phase out. (While they're phased out, they're treated as though they don't exist. Each one phases in before its controller untaps during their next untap step.)

Lands you control have "{T}: Add one mana of any color." {T}: Add one mana of any color.

Ninjutsu {1}{U} ({1}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever this creature deals combat damage to a player, you may put an artifact card with mana value less than or equal to that damage from your hand onto the battlefield.

{T}: Add {U} or {B}. {U}{B}, {T}, Sacrifice this artifact: Draw a card.

{2}, {T}, Sacrifice this artifact: Search your library for a land card, reveal it, put it into your hand, then shuffle.

{T}: Add one mana of any color. {1}, {T}, Tap another untapped artifact you control: Draw a card, then discard a card.

You may cast spells from your hand without paying their mana costs.

Planar Atlas enters tapped. When Planar Atlas enters, you may look at the top four cards of your library. If you do, reveal up to one land card from among them, then put that card on top of your library and the rest on the bottom in a random order. {T}: Add {C}.

Ninjutsu {1}{U} ({1}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever one or more Ninja or Rogue creatures you control deal combat damage to a player, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Blue spells you cast cost {1} less to cast.

Ninjutsu {U}{B} ({U}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Ninjutsu abilities you activate cost {1} less to activate. Other Ninja and Rogue creatures you control get +1/+1.

Flying, deathtouch When this creature enters, draw a card.

Ninjutsu {2}{U}{B} ({2}{U}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever this creature deals combat damage to a player, that player exiles the top two cards of their library. Until end of turn, you may play those cards without paying their mana costs.

Whenever a creature you control becomes blocked, you may return it to its owner's hand. Whenever one or more creatures you control deal combat damage to a player, draw a card.

Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Whenever you draw your second card each turn, put a +1/+1 counter on target creature you control. +1: Draw a card. −7: Creatures you control can't be blocked this turn.

At the beginning of your end step, if Kaito entered this turn, he phases out. +1: Draw a card. Then discard a card unless you attacked this turn. −2: Create a 1/1 blue Ninja creature token with "This token can't be blocked." −7: You get an emblem with "Whenever a creature you control deals combat damage to a player, search your library for a blue or black creature card, put it onto the battlefield, then shuffle."

{1}{U}, Sacrifice this artifact: Draw two cards. Channel — {U}, Discard this card: Draw a card.

Ninjutsu {U} ({U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever this creature deals combat damage to a player, you may draw a card. If you do, discard a card unless this creature entered this turn.

Ninjutsu {1}{U} ({1}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever this creature deals combat damage to a player, you may draw a card.

Scry 1. (Look at the top card of your library. You may put that card on the bottom.) Draw a card.

Flash (You may cast this spell any time you could cast an instant.) Flying {3}{U}: Draw a card.

Ninjutsu {3}{B} ({3}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Ninjutsu {3}{B} ({3}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Corrupted — When this creature enters, sacrifice a creature unless an opponent has three or more poison counters.

Changeling (This card is every creature type.) This creature can't block and can't be blocked.

Flash (You may cast this spell any time you could cast an instant.) Flying Whenever you draw your second card each turn, put a +1/+1 counter on this creature.

Hexproof (This creature can't be the target of spells or abilities your opponents control.) This creature can't be blocked.

This creature can't be blocked.

Creatures you control with power or toughness 1 or less can't be blocked.

Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Ninjutsu {2}{B} This creature enters with a menace counter on it. Whenever this creature deals combat damage to a player, you may remove a menace counter from it. When you do, that player reveals their hand and you choose a nonland card from it. Exile that card.

Enchant artifact or creature As long as enchanted permanent is a creature, it gets -1/-1 and can't block. Enchanted permanent has "At the beginning of your upkeep, you lose 1 life."

Each player chooses a nonland permanent they control. Return all nonland permanents not chosen this way to their owners' hands. Then you draw a card for each opponent who has more cards in their hand than you.

Counter target spell.

Choose one — • Counter target sorcery spell. • Destroy target creature with power 2 or less. • Look at the top three cards of target player's library. Put one back and the rest into that player's graveyard.

As an additional cost to cast this spell, tap an untapped artifact you control or pay {1}. Counter target spell.

Counter target creature spell.

Flash This spell can't be countered. Whenever you cast a spell, choose up to one — • Return target spell you don't control to its owner's hand. • Return target nonland permanent to its owner's hand.

When this creature enters, destroy target nonland permanent an opponent controls.

Ninjutsu {U} ({U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever this creature deals combat damage to a player, you may return target creature that player controls to its owner's hand.

Counter target noncreature spell.

When Phage enters, if you didn't cast it from your hand, you lose the game. Whenever Phage deals combat damage to a creature, destroy that creature. It can't be regenerated. Whenever Phage deals combat damage to a player, that player loses the game.

Search your library for a Demon card, reveal it, put it into your hand, then shuffle. Delirium — If there are four or more card types among cards in your graveyard, instead search your library for any card, put it into your hand, then shuffle.

This creature can't be blocked. Transmute {1}{U}{B} ({1}{U}{B}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)