Rock Hydra

This creature enters with X +1/+1 counters on it.
For each 1 damage that would be dealt to this creature, if it has a +1/+1 counter on it, remove a +1/+1 counter from it and prevent that 1 damage.
{R}: Prevent the next 1 damage that would be dealt to this creature this turn.
{R}{R}{R}: Put a +1/+1 counter on this creature. Activate only during your upkeep.

Sedge Troll

This creature gets +1/+1 as long as you control a Swamp.
{B}: Regenerate this creature.

Shatter

Shatterstorm

Destroy all artifacts. They can't be regenerated.

Shivan Dragon

Sarkhan, Wanderer to Shiv

Flying
{R}: This creature gets +1/+0 until end of turn.

Smoke

Players can't untap more than one creature during their untap steps.

Stone Giant

{T}: Target creature you control with toughness less than this creature's power gains flying until end of turn. Destroy that creature at the beginning of the next end step.

Eye for an Eye

The next time a source of your choice would deal damage to you this turn, instead that source deals that much damage to you and Eye for an Eye deals that much damage to that source's controller.

Stone Rain

Tunnel

Destroy target Wall. It can't be regenerated.

Uthden Troll

Wall of Fire

Defender (This creature can't attack.)
{R}: This creature gets +1/+0 until end of turn.

Wall of Stone

Wheel of Fortune

Each player discards their hand, then draws seven cards.

Aspect of Wolf

Enchant creature
Enchanted creature gets +X/+Y, where X is half the number of Forests you control, rounded down, and Y is half the number of Forests you control, rounded up.

Revised Edition