Teamwork 4 (As an additional cost to cast this spell, you may tap any number of creatures you control with total power 4 or more.)
Choose one. If this spell was cast using teamwork, choose both instead.
• Target player creates a 6/5 blue Leviathan creature token with hexproof.
• Return one or two target nonland permanents to their owners' hands.

Flying, vigilance
Iron Man gets +1/+0 for each other artifact you control.
Whenever Iron Man attacks, if an artifact entered the battlefield under your control this turn, draw a card.

Flash
When Foggy Nelson enters, put a +1/+1 counter on another target creature you control. It gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

This creature enters with two -1/-1 counters on it.
, Remove two counters from this creature: Target creature gets -2/-2 until end of turn. Activate only as a sorcery.

Create two 2/2 red Soldier creature tokens with firebending 1. (Whenever a creature with firebending 1 attacks, add . This mana lasts until end of combat.)
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Flying
This creature can't block.
When this creature enters, return target creature card from your graveyard to your hand.

Menace (This creature can't be blocked except by two or more creatures.)
Rhinos you control have menace.
Swampcycling (, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

Deathtouch
Disappear — This creature enters with two +1/+1 counters on it if a permanent left the battlefield under your control this turn.

Ward
You may look at the top card of your library any time.
You may play lands and cast Mutant, Ninja, or Turtle spells from the top of your library. If you cast a creature spell this way, that creature enters with an additional +1/+1 counter on it.

You may discard a card. If you do, draw two cards.

When this creature enters, each player may scry 1. (To scry 1, look at the top card of your library, then you may put that card on the bottom.)

Choose one —
• Search your library for a basic land card, reveal it, put it into your hand, then shuffle.
• Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

Flash
When this Equipment enters, attach it to target creature you control. That creature gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)
Equipped creature gets +1/+2.
Equip

Undergrowth — Target creature gets -X/-X until end of turn, where X is the number of creature cards in your graveyard. If that creature would die this turn, exile it instead.

Flash
Enchant creature you control
When this Aura enters, enchanted creature gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)
Enchanted creature gets +1/+2.

Choose one —
• Target creature you control fights target creature an opponent controls. (Each deals damage equal to its power to the other.)
• Destroy target Vehicle.

When this creature enters, you may exile target creature card from a graveyard. If you do, create a 2/2 black Zombie creature token.

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.)
When this enchantment enters, you may discard a card. If you do, draw two cards.
Max speed — Sacrifice this enchantment: Creatures and Vehicles you control gain haste until end of turn.

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)
Whenever you cast an artifact spell, put a +1/+1 counter on this creature.

Undergrowth — When this creature enters, target creature gains menace and gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard. (It can't be blocked except by two or more creatures.)