Verzauberungskreatur — Geist
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Erstschlag
Loyalitätsfähigkeiten von Planeswalkern, die deine Gegner kontrollieren, kosten beim Aktivieren

mehr.
Eidolon of Obstruction doesn’t replace the loyalty cost of activating a loyalty ability or cause it to cost more loyalty to activate. It just adds a mana component to the ability’s activation cost.
Loyalty abilities cost just
more to activate, no matter how much loyalty they cost to activate.