Play however many you want, bleed the table for 3 life each time you cast one, and get a free dragon for every 5th copy you use
When it comes to older poison creatures, the damage is dealt and then a trigger adds the poison counters
A 3 mana 4/4 alone is great, but there are dragons that have this without a weird downside attached to it
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Extort How about instead of me telling you what extort does, you pay me 1 life
From there, it gets better by recurring strong equipment, creatures, or enchantments
