Champions of Kamigawa

You have no maximum hand size.

{T}: Prevent the next 1 damage that would be dealt to any target this turn. {T}: Prevent all damage that would be dealt to target legendary creatur...

Sacrifice Kami of Twisted Reflection: Return target creature you control to its owner's hand.

{1}: Look at the top card of your library. {2}: Reveal the top card of your library. If it's a land card, Feral Deceiver gets +2/+2 and gains tramp...

{1}{R}: Kumano, Master Yamabushi deals 1 damage to any target. If a creature dealt damage by Kumano this turn would die, exile it instead.

Reach (This creature can block creatures with flying.) Soulshift 4 (When this creature dies, you may return target Spirit card with converted mana ...

Other Snake creatures you control get +0/+1. Shamans you control have "{T}: Add {G}{G}."

{T}: Initiate of Blood deals 1 damage to target creature that was dealt damage this turn. When that creature dies this turn, flip Initiate of Blood.

{2}{G}: Target creature blocks Matsu-Tribe Decoy this turn if able. Whenever Matsu-Tribe Decoy deals combat damage to a creature, tap that creature...

When Iname, Death Aspect enters the battlefield, you may search your library for any number of Spirit cards and put them into your graveyard. If yo...

First strike {R}, {T}: Attacking creatures gain first strike until end of turn.

Bushido 2 (Whenever this creature blocks or becomes blocked, it gets +2/+2 until end of turn.) Each other Samurai creature you control gets +1/+1 f...

Flying {2}, Return two lands you control to their owner's hand: Copy target instant or sorcery spell. You may choose new targets for the copy.

{2}{U}, Discard a card: Counter target spell if it has the same converted mana cost as the discarded card.

At the beginning of your upkeep, sacrifice a Snake. Whenever Shisato, Whispering Hunter deals combat damage to a player, that player skips their ne...

Whenever you cast a Spirit or Arcane spell, Soul of Magma deals 1 damage to target creature.

Protection from Spirits and from Arcane

{B}, Sacrifice a creature: Target player discards a card. Activate this ability only any time you could cast a sorcery.

Menace (This creature can't be blocked except by two or more creatures.) Soulshift 6 (When this creature dies, you may return target Spirit card wi...

When Student of Elements has flying, flip it.

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

{G}{G}, Sacrifice Rootrunner: Put target land on top of its owner's library. Soulshift 3 (When this creature dies, you may return target Spirit car...

Whenever you cast a Spirit or Arcane spell, target land becomes a 3/3 creature until end of turn. It's still a land.