(2019-06-14) The copy that Unbound Flourishing's ability creates is created on the stack, so it's not "cast" or "activated." Abilities that trigger when a player casts a spell or activates an ability won't trigger
And I dont think Sentinel Dispatch has enough power to warrant playing it
When the equipped dork dies, you can (you don't have to) pay X life and draw X cards where X was the equipped creature's power
They're all reasonably inexpensive, but a single Swords to Plowshares can exile one of your key players, leaving you unable to assemble all the Elements of Harmony
Your first thought was, Wow, these players seem upset and have bad manners. But the formers opponent cast Ashnods Coupon while the latter was casting a Blacker Lotus
Instead of each card working together like an army of ants raising each other up, its usually a bit more like throwing giants at the enemy and seeing what sticks