There are few cards as universally efficient and useful as Vindicate
The player who controls the triggered ability is the player who cycled the Sojourner, or the player who last controlled the Sojourner on the battlefield
Sorcery Color tag templates(None) Kamahl's Druidic Vow (You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Look at the top X cards of your library
Like the combo that I'll give you below for you to start your Aeve deck: Temur Sabertooth will return your Eternal Witness to your hand, which will continually recycle your Early Harvest, generating as much mana as you want, which you can repeat this combo, will trigger abilities of permanents as many times as you want and will increase your storm count to very high numbers, creating thousands of Aeve, Progenitor Ooze tokens and making them all gigantic
And that, in the end, is fair enough
They are a fairly painless splash and can be done with far less fixing than other splashes with them not resulting in a dead card without the mana to activative them.
