Erayo, Soratami Ascendant // Erayo's Essence [Saviors of Kamigawa]

Flying

Whenever the fourth spell of a turn is played, flip Erayo, Soratami Ascendant.

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Erayo’s Essence

Legendary Enchantment

Whenever an opponent plays a spell for the first time in a turn, counter that spell.

Flying
Whenever the fourth spell of a turn is cast, flip Erayo.

Whenever an opponent casts their first spell each turn, counter that spell.