Rushwood Dryad

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

Spined Wurm

Karma

At the beginning of each player's upkeep, this enchantment deals damage to that player equal to the number of Swamps they control.

Spitting Spider

Reach (This creature can block creatures with flying.)
Sacrifice a land: This creature deals 1 damage to each creature with flying.

Spreading Algae

Enchant Swamp
When enchanted land becomes tapped, destroy it.
When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.

Stream of Life

Thorn Elemental

You may have this creature assign its combat damage as though it weren't blocked.

Trained Armodon

Verduran Enchantress

Whenever you cast an enchantment spell, you may draw a card.

Eighth Edition