msem-instigator

(Add a quest counter as this enters. Sacrifice after 3.)
At the beginning of your end step, if you cast two or more spells this turn, add a quest counter.
1, 2 — The Symphony of Leafdown deals 2 damage to any target. Draw a card.
3 — Until the end of your next turn, instant and sorcery spells you cast cost {1} less to cast.
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