In a format where everything was speed, speed, speed, Capsize single-handedly allowed blue to stay in the game, and eventually lock it up by returning two lands a turn to a hapless opponent's hand
If it's an enchantment creature or legendary creature, instead put a +1/+1 counter on it and it gets +1/+1 until end of turn
More Magic: The Gathering Articles How to Build an MTG Deck Beginners Guide
For collectors, the appeal is the usual Collector Booster assortment plus a TMNT twist
Jobs come in the form of special equipment artifacts with the 'Job Selected' mechanic, which will create a 1/1 hero token when the card is played, with the equipment automatically equipping to the token
Its ability to produce mana of any color is valuable, and more importantly, it's a ramp creature that can't be dealt with by conventional removal thanks to hexproof