Other Goblins get +1/+1 and have mountainwalk.

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

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

Each player discards their hand, then draws seven cards.

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

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

: Destroy target tapped creature.

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.

Tap all lands target player controls and that player loses all unspent mana.

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.

Remove this card from your deck before playing if you're not playing for ante.
You own target card in the ante. Exchange that card with the top card of your library.

You may spend white mana as though it were red mana.

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

Other Zombie creatures have swampwalk. (They can't be blocked as long as defending player controls a Swamp.)
Other Zombies have ": Regenerate this permanent."

Enchant land
When enchanted land becomes tapped, destroy it. That land's controller may attach this Aura to a land of their choice.

Whenever this creature is dealt damage, put a +1/+1 counter on it.

, : Destroy target black permanent.

Whenever a player taps a land for mana, this enchantment deals 1 damage to that player.

Red creatures get +1/+1.
Whenever a Mountain is tapped for mana, its controller adds an additional .

As this enchantment enters, you lose life equal to your life total.
You don't lose the game for having 0 or less life.
If you would gain life, draw that many cards instead.
Whenever you're dealt damage, sacrifice that many nontoken permanents. If you can't, you lose the game.
When this enchantment is put into a graveyard from the battlefield, you lose the game.

All Swamps are 1/1 black creatures that are still lands.

Flying

This artifact enters tapped.
, : Destroy all artifacts, creatures, and enchantments.

: The next time a source of your choice would deal damage to target creature this turn, that source deals that damage to you instead.

All Forests are 1/1 creatures that are still lands.

, : Put a mire counter on target non-Swamp land. That land is a Swamp for as long as it has a mire counter on it. Activate only during your upkeep.
When this artifact is put into a graveyard from the battlefield, at the beginning of each of your upkeeps for the rest of the game, remove all mire counters from a land that a mire counter was put onto with this artifact but that a mire counter has not been removed from with this artifact.

Whenever a land is put into a graveyard from the battlefield, this artifact deals 2 damage to that land's controller.

Destroy all lands.

, : Draw a card.

Destroy all creatures. They can't be regenerated.

You may have this creature enter as a copy of any creature on the battlefield, except it doesn't copy that creature's color and it has "At the beginning of your upkeep, you may have this creature become a copy of target creature, except it doesn't copy that creature's color and it has this ability."

Trample
This creature can block an additional creature each combat.

Flying
Whenever this creature blocks or becomes blocked by a non-Wall creature, destroy that creature at end of combat.

As long as this creature is untapped, all damage that would be dealt to you by unblocked creatures is dealt to this creature instead.

, : Create a 1/1 colorless Insect artifact creature token with flying named Wasp. (It can't be blocked except by creatures with flying or reach.)

This creature can't attack unless defending player controls an Island.
: This creature deals 1 damage to any target.
When you control no Islands, sacrifice this creature.