This card was very much inspired by Syphon Soul
In decks with 3+ colors with +1/+1 counter synergies, it will be fairly easy to put three or four +1/+1 counters on a creature each turn, and you should really have a good double strike or lifelink creature around to benefit from the extra counters
If you've got four untapped Plains and you're waiting to make tokens, you can flash in Collector in response to a Windfall or just a big X draw spell
If you wait to use this GX attack until after you attach a Water Energy to this TAG TEAM trio, you'll get a bonus effectan extra Prize card when you get a Knock Out with those boosted attacks
It also makes copies of legendaries that arent legendary, which is the real kicker
The Clue tokens help recoup any cards you discarded, and simply creating four artifacts is sometimes enough to enable your stronger synergies