Intricate Development

Burden 3 (This enters the battlefield with 3 burden counters on it. at the beginning of each upkeep, remove
a burden counter from it. Then, if it has no burden counters on it, sacrifice it.)
Whenever you remove a burden counter from Intricate Development, turn target creature you control face down, it becomes 1/1 blue frog
creature token.
When the last burden counter is removed from Intricate Development, turn all frogs you control
face up, creatures turned face up way get +4/+4.