Saviors of Kamigawa

Haste At the beginning of your upkeep, if you have more cards in hand than each opponent, you may sacrifice a Swamp. If you do, return Akuta from y...

Adamaro's power and toughness are each equal to the number of cards in the hand of the opponent with the most cards in hand.

Whenever a land enters the battlefield, its controller creates a 1/1 green Snake creature token.

Reveal your hand: If you have seven or more land cards in your hand, flip Sasaya, Orochi Ascendant.

Exile cards from the top of your library until you exile a nonland card. Undying Flames deals damage to any target equal to that card's mana value....

Copy target instant or sorcery spell. You may choose new targets for the copy.

Each player sacrifices a land of their choice for each card in your hand.

Flying Soramaro's power and toughness are each equal to the number of cards in your hand. {4}, Return a land you control to its owner's hand: Draw ...

Whenever a land enters, its controller creates a 1/1 green Snake creature token.

You may have Sakashima the Impostor enter as a copy of any creature on the battlefield, except its name is Sakashima the Impostor, it's legendary i...

Creatures with power 2 or less can't attack you.

Whenever you cast a legendary spell, draw a card.

As this artifact enters, choose a card name. Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

{T}: Add {U}. {1}: Return Oboro to its owner's hand.

{T}: Add {C}. {3}, {T}, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness.

{T}: Add {C}. {2}, {T}: Each player draws a card.

Whenever a source an opponent controls deals damage to you, that player sacrifices a permanent of their choice.

All creatures get -X/-0, where X is the number of cards in your hand.

Maga enters with X +1/+1 counters on it. When Maga enters, target player loses life equal to the number of +1/+1 counters on it.

All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay {1}."

At the beginning of each player's draw step, that player draws an additional card.

{X}{R}, {T}: Jiwari deals X damage to target creature without flying. Channel — {X}{R}{R}{R}, Discard this card: It deals X damage to each creature...

Search target opponent's library for an artifact, creature, enchantment, or land card. Put that card onto the battlefield under your control. Then ...

Search your library for an enchantment card, put it onto the battlefield, then shuffle. Epic (For the rest of the game, you can't cast spells. At t...