Flash

You may have this creature enter as a copy of an artifact or creature you control.

Cycling (, Discard this card: Draw a card.)

You may have this creature enter as a copy of any creature on the battlefield.

You may have this creature enter as a copy of any Ally creature on the battlefield.

Flash

You may have this creature enter as a copy of any creature on the battlefield.

Whenever another creature you control enters, you may have this creature become a copy of that creature until end of turn. (If it does, it loses this ability for the rest of the turn.)

You may have this creature enter as a copy of a creature you control, except it's a Shapeshifter Rogue in addition to its other types.

You may have Chameleon enter as a copy of a creature you control, except his name is Chameleon, Master of Disguise.

Mayhem (You may cast this card from your graveyard for if you discarded it this turn. Timing rules still apply.)

You may have this creature enter as a copy of any creature on the battlefield, except it enters with a shield counter on it if you control that creature. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)

You may have this creature enter as a copy of any nonland permanent on the battlefield.

Raid — If you attacked this turn, you may have this creature enter as a copy of any creature on the battlefield.

You may have this creature enter as a copy of a creature you control, except it's a Shapeshifter Rogue in addition to its other types.

Plot (You may pay and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

Sliver creatures you control have ": Untap this creature."

Flash

You may have this creature enter as a copy of a creature an opponent controls, except it has "Other creatures with the same name as this creature are goaded." (They attack each combat if able and attack a player other than you if able.)

You may have this creature enter as a copy of any creature on the battlefield, except it has "Whenever this creature attacks, it connives." (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

You may have this creature enter as a copy of any creature on the battlefield, except it has ": This creature has base power and toughness X/X."

You may have this creature enter as a copy of any creature on the battlefield, except it has vanishing 3 if that creature doesn't have vanishing. (A permanent with vanishing 3 enters with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)

You may have this creature enter as a copy of any creature on the battlefield, except it has haste and dethrone. (Whenever it attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)

Flying

Whenever this creature or another Ally you control enters, you may put a +1/+1 counter on this creature.