Hollow eggs

When Hollow eggs enters the battlefield choose X where X is the number of cards named "Hollow eggs" in your graveyard:
• Destroy all egg tokens then gain 2 life for each egg destroyed
• Destroy all egg tokens and deal 1 damage for each egg destroyed
• Summon three white 0/0 egg tokens with Nullbuff, sacrifice them at your next end step.
{bull} Hatch one egg (It becomes a copy of target creature you control, but with power and toughness 1/1)
{bull} Target egg gains indestructible until