One creature with changeling is not enough
Its the kind of thing that might not seem like much on a single turn but across a game is likely to be the difference between victory and defeat
If you keep casting instants and sorceries, he can easily reach 10/10, and if his power exceeds 21, you can win in one hit
In decks that generate artifact tokens like Treasures, Thopters, or Clues, these two pieces of equipment turn any creature, or even no creature at all, into a game-ending force
Approach of the Second Sun Description : Approach of the Second Sun is a sorcery that allows you to gain seven life and put it seventh from the top of your library
She also has a mana ability that costs the same as her casting cost (3G, 1C), which creates X 1/1 Squirrel creature tokens where X is the number of Squirrels you control