When this creature enters, it deals 2 damage to target player or planeswalker.

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This land enters tapped.
: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

When this creature enters, tap target creature an opponent controls.

Flying
As this creature enters, roll a six-sided die. This creature enters with a number of +1/+1 counters on it equal to the result.
At the beginning of your upkeep, roll a six-sided die and put a number of +1/+1 counters on this creature equal to the result.
At the beginning of your end step, roll a six-sided die and remove a number of +1/+1 counters from this creature equal to the result.

This land enters tapped.
When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.)
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Enchant creature
Enchanted creature gets -2/-2.

When this creature dies, create two 1/1 white Spirit creature tokens with flying.

This land enters tapped.
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: Until end of turn, this land becomes a 3/2 blue and black Elemental creature. It's still a land. It can't be blocked this turn.

Haste
When Devil K. Nevil enters, jump it over any number of creatures. If it clears those creatures, put that many +1/+1 counters on it. (You can see a jumping demonstration at DevilKNevil.com.)

Changeling (This card is every creature type.)
Champion a creature (When this enters, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.)

When this enchantment enters, create a 1/1 white Human Soldier creature token.
Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life.

If target player has exactly 10 life, Hidetsugu's Second Rite deals 10 damage to that player.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Return target permanent to its owner's hand.

Sarkhan's Catharsis deals 5 damage to target player or planeswalker.

When this creature enters, create two 1/1 white Rabbit creature tokens.

This land enters tapped.
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Flying
Whenever a creature with flying attacks, you may draw a card.

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When this creature enters, creatures without flying can't block this turn.