Flying
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Draw three cards, then discard a card.

Tap three untapped creatures you control: Each opponent loses 1 life.

Counter target noncreature spell.

Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached.)
First strike
Enchanted creature gets +2/+2 and has first strike.

Haste
If a spell you control would deal damage to an opponent, prevent that damage. Create a 3/1 red Elemental Shaman creature token with haste for each 1 damage prevented this way.
When Hostility is put into a graveyard from anywhere, shuffle it into its owner's library.

Draw a card.
Beam me up (You may cast this card from your graveyard for if you also return a creature you control to its owner's hand. Then exile this spell.)

: Target Soldier gains flying until end of turn.

: This creature deals 1 damage to each opponent.
Whenever you cast a noncreature spell, untap this creature.

Creatures you control get +1/+0 and gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

Vigilance, trample
When this creature enters, if you cast it from your hand, create three Food tokens. (They're artifacts with ", , Sacrifice this token: You gain 3 life.")
Sacrifice three Foods: Return this card from your graveyard to the battlefield. Activate only during your turn.

Landfall — Whenever a land you control enters, you get (two energy counters).
You may pay eight rather than pay the mana cost for permanent spells you cast.

Whenever an artifact enters, this creature gets +4/+4 until end of turn.

If a red instant or sorcery spell you control or a red planeswalker you control would deal damage to a permanent or player, it deals that much damage plus 2 to that permanent or player instead.

When this creature enters, open an Attraction. (Put the top card of your Attraction deck onto the battlefield.)
At the beginning of your end step, if you control three or more Attractions, you draw a card and you lose 1 life.

As an additional cost to cast this spell, sacrifice a permanent.
Foundry Helix deals 4 damage to any target. If the sacrificed permanent was an artifact, you gain 4 life.

Search your library for an instant card with mana value 3, reveal it, and put it into your hand. Then repeat this process for instant cards with mana values 2 and 1. Then shuffle.

Players play a subgame starting at 5 life and with up to three permanent cards with different names from their main-game library on the battlefield. As the subgame ends, the winner chooses one of the cards they put onto the battlefield as the subgame began and puts it onto the battlefield rather than shuffling it into their library.

Flash
Enchant creature
Enchanted creature gets +2/+0.
When enchanted creature dies, return it to the battlefield tapped under its owner's control.

, Discard a card: Draw a card.
, , Sacrifice Professor Zei: Return target instant or sorcery card from your graveyard to your hand. Activate only during your turn.