Fanatical Summoning

Enchant creature card in a graveyard
When Fanatical Summoning enters the battlefield, it loses "enchant creature card in a graveyard" and gains "enchant creature put onto
the battlefield with Fanatical Summoning."
Return enchanted creature card to the
battlefield under your control and attach
Fanatical Summoning to it.
Enchanted creature gets +2/+0 and can't block.