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

Whenever a creature you control deals combat damage to a player, that player discards a card.

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever this creature deals combat damage to a player, that player skips their next combat phase.

Flying
Sacrifice a creature: This creature gets +2/+1 until end of turn.

Return all creatures to their owners' hands.

Whenever a creature becomes the target of a spell or ability, return that creature to its owner's hand. (It won't be affected by the spell or ability.)

Put two target lands on top of their owners' libraries.

When this creature enters, sacrifice it unless you sacrifice three Forests.

If target opponent has more cards in hand than you, draw cards equal to the difference.

Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)

Search target opponent's library for a creature card and put that card onto the battlefield under your control. Then that player shuffles.

: Prevent the next 4 damage that would be dealt to any target this turn.

Whenever a creature you control deals combat damage, you gain that much life.

, Sacrifice this creature: Target creature gets -4/-4 until end of turn.
Sacrifice a creature: Target creature gets -1/-1 until end of turn.

Flying
Vigilance (Attacking doesn't cause this creature to tap.)

Whenever a creature is dealt damage, destroy it. It can't be regenerated.

Flying
Menace (This creature can't be blocked except by two or more creatures.)
This creature can block an additional creature each combat.
: This creature gets +2/+0 until end of turn.

Beast of Burden's power and toughness are each equal to the number of creatures on the battlefield.

You may have this creature assign its combat damage as though it weren't blocked.
: 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.)

: This creature deals 3 damage to target attacking or blocking creature.

As this creature enters, choose a creature type.
When this creature enters, reveal the top four cards of your library. Put all creature cards of the chosen type revealed this way into your hand and the rest on the bottom of your library in any order.
Creatures of the chosen type get +1/+1.

, : Search your library for a card, put that card into your hand, then shuffle.

Draw a card for each creature you control.

Flying
: This creature gets +1/+0 until end of turn.

Flying (This creature can't be blocked except by creatures with flying or reach.)

If a source would deal damage to you, prevent 1 of that damage.

, Sacrifice a creature: This creature deals damage equal to the sacrificed creature's power to any target.

Flying (This creature can't be blocked except by creatures with flying or reach.)
Nightmare's power and toughness are each equal to the number of Swamps you control.

This creature doesn't untap during your untap step.
Pay 8 life: Untap this creature.
This creature can't be blocked except by three or more creatures.

You may have this creature assign its combat damage as though it weren't blocked.

Exile all nontoken permanents. Starting with you, each player chooses one of the exiled cards and puts it onto the battlefield tapped under their control. Repeat this process until all cards exiled this way have been chosen.

Inferno deals 6 damage to each creature and each player.

This creature can't be blocked.

This spell can't be countered.
Destroy all artifacts, creatures, and lands. They can't be regenerated.

If you have 3 or less life, this spell costs less to cast.
Flying
This creature can block any number of creatures.