There are spell-based decks to build in this format, and this is exactly the kind of card they need to cast multiple spells throughout the course of a game
When you resolve Maestros Confluence you get to choose three modes, and can pick one multiple times
III Until end of turn, target creature you control gains "When this creature dies, draw two cards." Then that creature fights up to one other target creature
As Im writing this piece, 4/8 decks in the last MTGO PTQ were almost the same 75 of Grixis Shadow A true proof of how good this card is in the right deck
How Shroud works in MTG When Shroud is activated, the permanent or player with Shroud cannot be the target of spells or abilities
Theres also Esper Hero, a proven midrange threat that very recently lost its top-end threat when [Card]Teferi, Hero of Dominaria[/Card] rotated