If target creature has toughness 5 or greater, it gets +4/-4 until end of turn. Otherwise, it gets +4/-X until end of turn, where X is its toughness minus 1.

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.

As long as this artifact is untapped, players can't untap more than one land during their untap steps.

, : Untap target artifact an opponent controls and gain control of it until end of turn. It gains haste until end of turn. When you lose control of the artifact, tap it.

: The next time a green source of your choice would deal damage to you this turn, prevent that damage.

Spend only black mana on X.
Drain Life deals X damage to any target. You gain life equal to the damage dealt, but not more life than the player's life total before the damage was dealt, the planeswalker's loyalty before the damage was dealt, or the creature's toughness.

Enchant creature you control
Whenever enchanted creature attacks and isn't blocked, you may have it assign no combat damage this turn. If you do, defending player discards a card at random.

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
: Regenerate enchanted creature. (The next time that creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Enchant land
Whenever enchanted land becomes tapped, this Aura deals 2 damage to that land's controller.

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

Destroy target Wall. It can't be regenerated. Word of Blasting deals damage equal to that Wall's mana value to the Wall's controller.

Prevent the next 3 damage that would be dealt to target creature this turn. At the beginning of the next end step, put a +0/+1 counter on that creature for each 1 damage prevented this way.

: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Enchant land
As this Aura enters, choose a basic land type.
Enchanted land is the chosen type.

: The next time a white source of your choice would deal damage to you this turn, prevent that damage.

First strike; banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Destroy target artifact or enchantment.

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.

Enchant creature
Enchanted creature gets +1/+0.
: Regenerate enchanted creature.

At the beginning of your end step, if this creature didn't attack this turn, it deals 2 damage to you unless it came under your control this turn.

Whenever a land enters, this artifact deals 2 damage to that land's controller.

Protection from black
At the beginning of each end step, if this creature dealt damage to an opponent this turn, put a +1/+1 counter on it.

At the beginning of combat on your turn, this creature gains banding until end of combat. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's blocking.)
Whenever this creature becomes blocked by a Wall, destroy that Wall at end of combat.

Destroy target nonartifact, nonblack creature. It can't be regenerated.

Return target permanent to its owner's hand.

: Prevent the next 1 damage that would be dealt to any target this turn.

You may choose not to untap this artifact during your untap step.
, : Target creature gets +1/+1 for as long as this artifact remains tapped.

First strike (This creature deals combat damage before creatures without first strike.)
Protection from black (This creature can't be blocked, targeted, dealt damage, or enchanted by anything black.)

Creatures you control get +0/+2 until end of turn.

Sacrifice an artifact: This creature gets +2/+2 until end of turn.

This creature can't block creatures with power 3 or greater unless you pay .

: Counter target black spell.

Enchant creature
Enchanted creature gets +2/+2.

Incinerate deals 3 damage to any target. A creature dealt damage this way can't be regenerated this turn.

: The next time a black or red source of your choice would deal damage to you this turn, prevent that damage.

You gain 1 life.
Draw a card at the beginning of the next turn's upkeep.