In Modern, Dig Through Time and Treasure Cruise split the format, more or less, along the lines of Treasure Cruise appearing in aggro and tempo decks while Dig Through Time was preferred by control and combo decks, such as the following deck looking to find Scapeshift and seven land
There are only a dozen or so other mono-blue ninja cards, and you need more than that to make use of Higure's triggered ability constantly
This was the third and final four year lull between momentous bannings
The simplest option might be to just use Ashnod's Altar to turn them back into mana, use Numa to turn that mana into +1/+1 counters, and then to swing Tana again to make yet more saprolings
What Are the Best Companions in Commander
EIGANJO DYNASTORIAN Eiganjo Dynastorian is Replenish, however many times you want to cast, provided you keep attacking with at least two creatures