trigger resolves, theres no window for a response between the token being created and the equipment getting attached to it
Tyvar, Jubilant Brawler amplifies this synergy even further by letting your freshly sprouted Plants tap for mana immediately, fueling truly explosive turns
As for what it does, this six-cost Sorcery has Convoke and allows you to essentially boardwipe all but one of your opponents creatures
There are stellar commanders like D&Ds Prosper, Tome-Bound and Faldorn, Dread Wolf Herald plus plenty of payoffs in Ultimate Magic: Meteor, Delayed Blast Fireball, Quintorius Kand, Passionate Archaeologist, and Nalfeshnee
You can then remove five +1/+1 counter from them to gain two of each color
Since Tails itself has flying, this makes it solid in combat, just not defensively because of its lower toughness