Twinflame

Apr 26, 2014 · Any enters-the-battlefield abilities of the copied creature will trigger when the token enters the battlefield. Any "as [this permanent] enters the battlefield" or "[this permanent] enters the battlefield with" abilities of the copied creature will also work.

Apr 26, 2014 · The mana cost and mana value of strive spells don't change no matter how many targets they have. Strive abilities affect only what you pay.

Apr 26, 2014 · If another creature becomes or enters the battlefield as a copy of the token, that creature will have haste, but you won't exile it. However, if Twinflame creates multiple tokens copying a single creature due to a replacement effect (like the one Doubling Season creates), you'll exile each of them.

Apr 26, 2014 · The tokens see each other enter the battlefield. If any of them have a triggered ability that triggers whenever a creature enters the battlefield, they'll trigger for one another.

Apr 26, 2014 · If the copied creature has {X} in its mana cost, X is considered to be 0.

Apr 26, 2014 · If a spell or ability allows you to cast a strive spell without paying its mana cost, you must pay the additional costs for any targets beyond the first.

Apr 26, 2014 · If such a spell is copied, and the effect that copies the spell allows a player to choose new targets for the copy, the number of targets can't be changed. The player may change any number of the targets, including all of them or none of them. If, for one of the targets, the player can't choose a new legal target, then it remains unchanged (even if the current target is illegal).

If the copied creature is a token, the token created by Twinflame copies the original characteristics of that token as stated by the effect that put that token onto the battlefield.