While resolving Enigmatic Incarnation’s ability, you can’t sacrifice multiple enchantments to get multiple creatures.
2020-01-24
If an enchantment on the battlefield or a creature card in a library has in its mana cost, X is considered to be 0.
At the beginning of your end step, you may sacrifice another enchantment. If you do, search your library for a creature card with mana value equal to 1 plus the sacrificed enchantment's mana value, put that card onto the battlefield, then shuffle.
in its mana cost, X is considered to be 0.