Infinite Quillspike + Infinite Snake TokensHapatra, Vizier of Poisons Buy + Quillspike Buy + Devoted Druid Buy
Have all three in play. Tap the druid for mana, put a -1/-1 counter on the druid to untap it creating a 1/1 snake token, use the mana to remove the -1/-1 counter with Quillspike. Repeat the process.
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