At the beginning of your upkeep, put a +1/+1 counter on Descendant of Masumaro for each card in your hand, then remove a +1/+1 counter from Descendant of Masumaro for each card in target opponent's hand.
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.)
Target creature attacks this turn if able.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.)
Sweep — Return any number of Mountains you control to their owner's hand. Barrel Down Sokenzan deals damage to target creature equal to twice the number of Mountains returned this way.
HasteAt 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, Born of Ash 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.)
, : Arashi, the Sky Asunder deals X damage to target creature with flying.Channel — , Discard Arashi: Arashi deals X damage to each creature with flying.
Kiyomaro, First to Stand's power and toughness are each equal to the number of cards in your hand.As long as you have four or more cards in hand, Kiyomaro has vigilance.Whenever Kiyomaro deals damage, if you have seven or more cards in hand, you gain 7 life.
As long as you have seven or more cards in hand, Deathmask Nezumi gets +2/+1 and has fear. (It can't be blocked except by artifact creatures and/or black creatures.)
