Alliances

Phantasmal Sphere

Flying
At the beginning of your upkeep, put a +1/+1 counter on Phantasmal Sphere. During your upkeep, pay o1 for each of these +1/+1 counters or bury Phantasmal Sphere.
If Phantasmal Sphere leaves play, put an Orb token into play under target opponent's control. Treat this token as a */* blue creature with flying, where * is equal to the number of these +1/+1 counters on Phantasmal Sphere.

Flying
At the beginning of your upkeep, put a +1/+1 counter on Phantasmal Sphere, then sacrifice Phantasmal Sphere unless you pay {1} for each +1/+1 counter on it.
When Phantasmal Sphere leaves the battlefield, target opponent creates an X/X blue Orb creature token with flying, where X is the number of +1/+1 counters on Phantasmal Sphere.