If an opponent controls a Swamp and you control a Plains, you may cast this spell without paying its mana cost.
Protection from black

Whenever you attack, creatures you control with counters on them gain double strike until end of turn.

Put a -1/-1 counter on each attacking creature.

Enchant creature
Enchanted creature can't attack or block.
, Sacrifice this Aura: Exile enchanted creature.

Prevent all damage that would be dealt to Cho-Manno.

Flash
Enchant creature
As this Aura enters, choose a color.
Enchanted creature has protection from the chosen color. This effect doesn't remove this Aura.

Destroy target creature with power 4 or greater. (Then exile this card. You may cast the creature later from exile.)

Enchant creature
When this Aura enters, draw a card.
Enchanted creature gets +0/+2.

Until your next turn, creatures can't attack you. Exile Chronomantic Escape with three time counters on it.
Suspend 3 —

: Return this card from your graveyard to the battlefield tapped. You skip your next turn.

Equipment and Vehicle spells you cast cost less to cast.
Jump — During your turn, Cid has flying.
, : Return target Equipment or Vehicle card from your graveyard to your hand.

When this enchantment enters, exile target creature an opponent controls with mana value 3 or less until this enchantment leaves the battlefield.
Whenever an opponent casts a Vampire spell with the same name as a card exiled with this enchantment, you gain 2 life.

As Circle of Protection: Art enters, choose an artist.
: The next time a source of your choice with art by the chosen artist would deal damage to you this turn, prevent that damage.
: Return Circle of Protection: Art to its owner's hand.

: The next time an artifact source of your choice would deal damage to you this turn, prevent that damage.

: The next time a black source of your choice would deal damage to you this turn, prevent that damage.

: The next time a blue source of your choice would deal damage to you this turn, prevent that damage.

: The next time a green source of your choice would deal damage to you this turn, prevent that damage.

: The next time a red source of your choice would deal damage to you this turn, prevent that damage.

: The next time a creature of your choice with shadow would deal damage to you this turn, prevent that damage.

: The next time a white source of your choice would deal damage to you this turn, prevent that damage.

As this enchantment enters, choose a creature type.
: The next time a creature of the chosen type would deal damage to you this turn, prevent that damage.

As this enchantment enters, choose Khans or Dragons.
• Khans — At the beginning of combat on your turn, put two +1/+1 counters on target creature you control.
• Dragons — At the beginning of combat on each opponent's turn, tap target creature that player controls.

When this enchantment enters, exile target creature or planeswalker an opponent controls until this enchantment leaves the battlefield.

When this Equipment enters, create a 1/1 green and white Citizen creature token, then attach this Equipment to it.
Equipped creature gets +1/+1 and has ", , Sacrifice Citizen's Crowbar: Destroy target artifact or enchantment."
Equip

Flying
When this creature leaves the battlefield, create a Food token.

Destroy all creatures with toughness 4 or greater.

, : Target creature gets +0/+1 until end of turn.
, : Put target creature you control on top of its owner's library.

When this creature enters, creatures you control get +1/+1 until end of turn.

When this enchantment enters, create two 1/1 green and white Kithkin creature tokens.
: Create a 1/1 green and white Kithkin creature token.