Rydia, Child of Mist

Partner with Rydia's Mist Dragon (When this
creature enters the battlefield, target player may put
Rydia's Mist Dragon into their hand from their
library, then shuffle.)
{1}{u}, Exile Rydia: Put four time counters on it.
If it doesn't have suspend, it gains suspend.
If you cast Rydia from exile, it enters the 2/3 battlefield transformed.