Wikia

Original	First Errata
You can send 1 Level 4 or lower monster from your hand to the Graveyard to Special Summon this card from your hand, and decrease this card's Level by the Level of that monster. If this card attacks or is attacked, until the end of the Damage Step any effect damage you take becomes 0.	You can Special Summon this card (from your hand) by sending 1 Level 4 or lower monster from your hand to the Graveyard. If you do, decrease this card's Level by the Level of that monster. If this card attacks or is attacked, until the end of the Damage Step any effect damage you take becomes 0.
Starstrike Blast STBL-EN007 Added by Scarlet Angel	Battle Pack: Epic Dawn BP01-EN161 Added by Look234

Card Errata:Power Giant