Changeling (This card is every creature type.) {T}: Target creature gains all creature types until end of turn. {T}: Target creature loses all creature types until end of turn.

{T}: Choose a creature type other than Wall. Target creature becomes that type until end of turn.

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.) When Knight of the Mists enters the battlefield, you may pay {U}. If you don't, destroy target Knight and it can't be regenerated.

Mercenary Informer can't be the target of black spells or abilities from black sources. {2}{W}: Put target nontoken Mercenary on the bottom of its owner's library.

{1}{U}: Choose a creature type other than Wall. Target creature becomes that type until end of turn.

Enchant creature As Metamorphic Alteration enters the battlefield, choose a creature. Enchanted creature is a copy of the chosen creature.

Enchant creature {1}: Enchanted creature becomes the creature type of your choice until end of turn.

Whenever a player casts a creature spell, destroy all Reflections. Then that player creates an X/X white Reflection creature token, where X is the mana value of that spell.

At the beginning of your upkeep, if there are no Reflection tokens on the battlefield, create a 2/2 white Reflection creature token. {0}: Destroy target Reflection.

Change the text of target spell or permanent by replacing all instances of one creature type with another. The new creature type can't be Wall. (This effect lasts indefinitely.)

Changeling (This card is every creature type.) Creatures target player controls get +0/+1 and gain all creature types until end of turn.

Choose a creature type other than Wall. Each creature becomes that type until end of turn.

Choose one — • Target creature gains flying until end of turn. • Target creature becomes the creature type of your choice until end of turn. • Look at the top four cards of your library, then put them back in any order.

Choose a creature type. Return all creatures that aren't of the chosen type to their owners' hands.