Rule of the God-Seer

At the beginning of your upkeep, you may pay up to 5 life. If you do, put that many cards from the top of your library into your graveyard.
Defile 5 — Whenever exactly five cards are put into your graveyard from anywhere, if Rule of the God-Seer isn't defiled, it becomes defiled, each opponent loses 5 life, and you gain 5 life.
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"I see through hi