Flying
: This creature gets +1/+0 until end of turn.
Whenever this creature deals combat damage to a player, you may have it deal that much damage to target creature that player controls.

Flying
: Destroy target artifact. This creature gets +X/+0 until end of turn, where X is that artifact's mana value.

When this artifact enters, draw three cards.
: Add three mana of any one color.
Whenever one or more creatures an opponent controls attack you and aren't blocked, that player draws three cards and gains control of this artifact. Untap it.

Flying
Landfall — Whenever a land you control enters, this creature deals 1 damage to any target. If that land is a Mountain, this creature deals 2 damage instead.

Destroy all creatures. Each player loses life equal to the number of creatures they controlled that were destroyed this way.

Tap five untapped Zombies you control: Put target creature card from a graveyard onto the battlefield under your control.

Creatures you control have double strike and lifelink.

Flying
: This creature gets +1/+0 until end of turn.
: Destroy each nonland permanent with mana value X whose controller was dealt combat damage by this creature this turn. Activate only once each turn.

First strike
Landfall — Whenever a land you control enters, goad each creature target player controls. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)

Hexproof
Creatures your opponents control attack each combat if able.

Destroy all creatures, then return a creature card put into a graveyard this way to the battlefield under your control. It's a black Zombie in addition to its other colors and types. Exile Necromantic Selection.

Flying, haste
Lieutenant — As long as you control your commander, this creature gets +2/+2 and has "Whenever this creature attacks, it deals 7 damage to target creature defending player controls."

Flying
Whenever this creature deals combat damage to a player, exile that many cards from the top of your library. Until end of turn, you may cast spells from among those exiled cards.

Flying
When this creature enters, for each opponent, you may cast up to one target instant or sorcery card from that player's graveyard without paying its mana cost. If a spell cast this way would be put into a graveyard, exile it instead.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
When this creature enters, for each opponent, you may put up to one target creature card from that player's graveyard onto the battlefield under your control.

Flying
Whenever a creature with flying attacks, you may draw a card.

You may pay and tap four untapped creatures you control with flying rather than pay this spell's mana cost.
Flying, lifelink
Other creatures you control with flying have indestructible. (Damage and effects that say "destroy" don't destroy them.)

Flying, deathtouch
When this creature enters, create four 1/1 green Insect creature tokens with flying and deathtouch.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)
Destroy all nontoken creatures.

Flying
When this creature enters, you may destroy target creature.
Whenever a nontoken creature an opponent controls dies, create a tapped 2/2 black Zombie creature token.

Each player sacrifices six creatures of their choice. You create six tapped 2/2 black Zombie creature tokens.

Flying
You may cast this creature from your graveyard by paying and sacrificing two creatures rather than paying its mana cost.

Flying
Whenever Drakuseth attacks, it deals 4 damage to any target and 3 damage to each of up to two other targets.

Whenever an opponent casts a spell, Kaervek deals damage equal to that spell's mana value to any target.

Flying
When this creature enters, you may have it fight target creature you don't control.
Whenever a creature you control fights, put two +1/+1 counters on it at the beginning of the next end step.

At the beginning of each upkeep, this creature deals 3 damage to any target.

At the beginning of each upkeep, create a 1/1 green Saproling creature token.

This spell costs less to cast for each creature on the battlefield.
Blasphemous Act deals 13 damage to each creature.

Create X 1/1 white Pegasus creature tokens with flying, where X is your life total.