Return Molting Skin to its owner's hand: Regenerate target creature.

Flying

: Moonwing Moth gets +0/+1 until end of turn.

Search target player's library for X cards, where X is the number of cards in your hand, and exile them. Then that player shuffles.

Epic (For the rest of the game, you can't cast spells. At the beginning of each of your upkeeps, copy this spell except for its epic ability. You may choose a new target for the copy.)

When Nikko-Onna enters, destroy target enchantment.

Whenever you cast a Spirit or Arcane spell, you may return Nikko-Onna to its owner's hand.

Flying

, Return a land you control to its owner's hand: Target creature gets -X/-0 until end of turn, where X is the number of cards in your hand.

As long as you have more cards in hand than each opponent, Okina Nightwatch gets +3/+3.

Discard your hand.

Counter target spell unless its controller pays for each card in your hand.

Each player may bid life. You start the bidding with a bid of any number. In turn order, each player may top the high bid. The bidding ends if the high bid stands. The high bidder loses life equal to the high bid and draws four cards.

As Pithing Needle enters, choose a card name.

Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

You gain 2 life for each card in your hand.

Soulshift 7 (When this creature dies, you may return target Spirit card with mana value 7 or less from your graveyard to your hand.)

Exile the top card of your library. Exile the top card of your library. Exile the top card of your library. If the last card exiled isn't a land card, repeat this process. Create a 1/1 red Warrior creature token for each nonland card exiled this way.

Black creatures can't block.

Destroy target artifact or enchantment if its mana value is less than or equal to the number of cards in your hand.

Draw a card.

Bushido 2 (Whenever this creature blocks or becomes blocked, it gets +2/+2 until end of turn.)

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

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 in addition to its other types, and it has ": Return this creature to its owner's hand at the beginning of the next end step."

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

, : Draw a card if you have seven or more cards in hand.

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

Sekki, Seasons' Guide enters with eight +1/+1 counters on it.

If damage would be dealt to Sekki, prevent that damage, remove that many +1/+1 counters from Sekki, and create that many 1/1 colorless Spirit creature tokens.

Sacrifice eight Spirits: Return Sekki from your graveyard to the battlefield.

Exchange control of two target lands.

Splice onto Arcane (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Flying

Channel — , Discard Shinen of Flight's Wings: Target creature gains flying until end of turn.

All creatures able to block Shinen of Life's Roar do so.

Channel — , Discard Shinen of Life's Roar: All creatures able to block target creature this turn do so.

Sweep — Return any number of Swamps you control to their owner's hand. Target player discards a card for each Swamp returned this way.

Flying

Whenever you cast a Spirit or Arcane spell, you may gain control of target creature with that spell's mana value until end of turn.

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

: Sokenzan Spellblade gets +X/+0 until end of turn, where X is the number of cards in your hand.

: Target creature you control gains flying until end of turn.

: Prevent all combat damage that would be dealt to and dealt by target creature you control this turn.

Create a 1/1 colorless Spirit creature token.

Splice onto Arcane (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Destroy target artifact or land.

: Add . Tomb of Urami deals 1 damage to you if you don't control an Ogre.

, , Sacrifice all lands you control: Create Urami, a legendary 5/5 black Demon Spirit creature token with flying.

Your maximum hand size is increased by two.

At the beginning of your upkeep, return a blue creature you control to its owner's hand.

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.

Epic (For the rest of the game, you can't cast spells. At the beginning of each of your upkeeps, copy this spell except for its epic ability. You may choose a new target for the copy.)

When Yuki-Onna enters, destroy target artifact.

Whenever you cast a Spirit or Arcane spell, you may return Yuki-Onna to its owner's hand.