Riverfall Mimic

T: Add C. G/U, T: Add GG, GU, or UU.

T: Add C. R/W, T: Add RR, RW, or WW.

Flying When this creature dies, exile target permanent.

T: Tap target creature. Whenever you cast a white spell, you may untap this creature.

Create two 1/1 white Kithkin Soldier creature tokens. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

At the beginning of your upkeep, return a permanent you control to its owner's hand.

When this enchantment enters, search your library for any number of Plains cards, exile them, then shuffle. At the beginning of your upkeep, you may put a card you own exiled with this enchantment into your hand.

Prevent all damage that would be dealt to you and permanents you control this turn.