First strike

Players skip their untap steps.
At the beginning of your upkeep, sacrifice this enchantment unless you pay .

At the beginning of each player's upkeep, this artifact deals 1 damage to that player.

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.

Take an extra turn after this one.

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 artifact
At the beginning of the upkeep of enchanted artifact's controller, this Aura deals 1 damage to that player.

: Counter target black spell.

This creature can't block creatures with power 2 or greater.

Whenever a Forest an opponent controls becomes tapped, you gain 1 life.

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

Enchant enchantment
At the beginning of the upkeep of enchanted enchantment's controller, that player may pay any amount of mana. This Aura deals 2 damage to that player. Prevent X of that damage, where X is the amount of mana that player paid this way.

You gain life equal to the damage dealt to you this turn. Simulacrum deals damage to target creature you control equal to the damage dealt to you this turn.

At the beginning of each player's draw step, if this artifact is untapped, that player draws an additional card.

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

Whenever one or more creatures you control attack, each defending player divides all creatures without flying they control into a "left" pile and a "right" pile. Then, for each attacking creature you control, choose "left" or "right." That creature can't be blocked this combat except by creatures with flying and creatures in a pile with the chosen label.

Enchant creature
: Enchanted creature gets +1/+1 until end of turn.

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

: Counter target green spell.

Destroy target artifact.

Return target card from your graveyard to your hand.

: You may choose a creature card in your hand whose mana cost could be paid by some amount of, or all of, the mana you spent on . If you do, you may cast that card face down as a 2/2 creature spell without paying its mana cost. If the creature that spell becomes as it resolves has not been turned face up and would assign or deal damage, be dealt damage, or become tapped, instead it's turned face up and assigns or deals damage, is dealt damage, or becomes tapped. Activate only as a sorcery.

Flying; 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 X target Mountains. Volcanic Eruption deals damage to each creature and each player equal to the number of Mountains put into a graveyard this way.

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

: The next time an unblocked creature of your choice would deal combat damage to you this turn, prevent all but 1 of that damage.

, : Add one mana of any color.

Defender (This creature can't attack.)
: 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.)

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

: This creature deals 1 damage to any target.

The next time a source of your choice would deal damage to you this turn, prevent that damage. You gain life equal to the damage prevented this way.

Flying
Whenever this creature deals damage to an opponent, that player discards a card at random.

Enchant land
Enchanted land has "At the beginning of your upkeep, you may pay . If you do, you gain 1 life."

Defender, flying (This creature can't attack, and it can block creatures with flying.)

Defender (This creature can't attack.)

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