Super lundi

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

Whenever you cast a Spirit or Arcane spell, this creature gets +1/+1 until end of turn.

Whenever this creature deals combat damage to a creature, tap that creature and it doesn't untap during its controller's next untap step. {1}{G}: R...

Whenever this creature deals combat damage to a creature, tap that creature and it doesn't untap during its controller's next untap step.

Target creature gets +2/+2 until end of turn. Splice onto Arcane {G} (As you cast an Arcane spell, you may reveal this card from your hand and pay ...

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuf...

Whenever you sacrifice another permanent, put a +1/+1 counter on this creature.

Enchant creature All creatures able to block enchanted creature do so.

{2}{G}: Target creature blocks this creature this turn if able. Whenever this creature deals combat damage to a creature, tap that creature and it ...

Trample

{G}: Add one mana of any color.

Whenever this creature deals combat damage to a creature, tap that creature and it doesn't untap during its controller's next untap step.

{T}: Add {G}.

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

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

Sacrifice this creature: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Flash Enchant creature Enchanted creature gets +1/+1. {G}: Regenerate enchanted creature.

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

Other Snake creatures you control get +1/+0. Whenever a Warrior you control deals combat damage to a creature, destroy that creature at end of combat.

Target creature gets +X/+X until end of turn, where X is the number of lands you control.

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

Search your library for a legendary creature card, reveal it, put it into your hand, then shuffle.

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