Archeon the Everchosen

When Archeon the Everchosen enters the battlefield search your library for any number of Chaos Enchantments and put them onto the battlefield.
At the beginning of your end step If you control 5 or more Chaos permanents choose two, you cannot choose the same modes twice:
• Destroy target permanent
• Draw a card
• Return target creature from a graveyard to the battlefield under your control
{bull} Gain 7 life