, , Discard a card: Destroy all artifacts with mana value X or less.

This land enters tapped.
: Add or .

If a permanent entering causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Suspend 3— (Rather than cast this card from your hand, pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)
Search target opponent's library for a creature card and put that card onto the battlefield under your control. Then that player shuffles.

Flying
Discard this card: Exile up to two target cards from graveyards.

This land enters tapped unless you control a Plains or an Island.
: Add or .

Lightning Helix deals 3 damage to any target and you gain 3 life.

At the beginning of your upkeep, you may create a 1/1 green Squirrel creature token.
Threshold — All Squirrels get +2/+2 as long as there are seven or more cards in your graveyard.

Look at the top three cards of your library. Put one of those cards into your hand, one on top of your library, and one on the bottom of your library.

You may play lands from your graveyard.

Choose one. If you control a Wizard as you cast this spell, you may choose two instead.
• Target player draws two cards.
• Destroy target artifact.
• Flame of Anor deals 5 damage to target creature.

Vigilance, trample, haste
This creature enters with X +1/+1 counters on it.
When this creature dies, create a number of tapped Treasure tokens equal to its power.

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

At the beginning of your end step, if you didn't activate a loyalty ability of a planeswalker this turn, you lose 2 life.
, : For each planeswalker you control, you may activate one of its loyalty abilities once this turn as though none of its loyalty abilities have been activated this turn.

All Slivers have ": This permanent becomes the creature type of your choice in addition to its other types until end of turn."

: Add .
, : Target creature gains protection from artifacts until end of turn.

Destroy target land.

Flying
If damage would be dealt to you, prevent that damage and mill twice that many cards.

Whenever a creature an opponent controls dies, you may pay . If you do, return that card to the battlefield under your control. If it's a creature, it's a Zombie in addition to its other creature types.
: Regenerate target Zombie.

Flying, trample
Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.)
At the beginning of your end step, you draw X cards and lose X life, where X is your speed.