Pegasi, Life and Strength

Imprint — , : You may exile an instant or sorcery card with mana value X from your hand. At the beginning of your upkeep, you may copy a card exiled with this artifact. If you do, you may cast the copy without paying its mana cost.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead. If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.

Create X 1/1 white Pegasus creature tokens with flying, where X is your life total.

Whenever a creature you control enters, you gain life equal to its toughness.

If you would gain life, you gain twice that much life instead.

Whenever a creature you control with power 5 or greater enters, you may put two +1/+1 counters on it.

Whenever a creature you control enters, if that creature is 1/1, put two +1/+1 counters on it.

Flying Whenever this creature or another creature you control with flying enters, you may gain life equal to that creature's power.