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'Changeling (This card is every creature type.)
{X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.
'{X}, {T}: Change the target of target spell with a single target if that target is you. The new target must be a player. X is twice the mana value...
'Flying
{1}, Return a land you control to its owner's hand: Create a 1/1 blue Illusion creature token with flying.
'Whenever a creature enters, if it was cast, exile it, then return all other permanent cards exiled with this artifact to the battlefield under their owners' control.
'You may have this creature enter as a copy of a creature you control.
'When you unlock this door, create a token that's a copy of target creature you control, except it's a Reflection in addition to its other creature types. (You may cast...
'The "legend rule" doesn't apply to permanents you control. Each legendary creature you control gets +1/+1. Each nontoken creature you control gets +1/+1 for each other creature you control with...
'Changeling (This card is every creature type.)
{X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.
'Whenever a creature enters, if it was cast, exile it, then return all other permanent cards exiled with this artifact to the battlefield under their owners' control.
'{T}, Sacrifice this artifact: Choose up to seven face-up exiled cards you own. Exile all the cards from your library, then put the chosen cards on top of your library.
'Changeling (This card is every creature type.)
{X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.
'Flying
{1}, Return a land you control to its owner's hand: Create a 1/1 blue Illusion creature token with flying.