First, youll get to connive whenever a nontoken creature dies, and when this card itself dies, you return some non-rogue youve dumped into the graveyard back into play, based on Launderers power when it dies
Making a creature unblockable isn't hard
Creatures (20) 2 Sheoldred, the Apocalypse 1 Faerie Mastermind 4 Deep-Cavern Bat 4 Preacher of the Schism 1 Vren, the Relentless 2 Azure Beastbinder 3 Enduring Curiosity 1 Floodpits Drowner 2 Cecil, Dark Knight Planeswalkers (1) Lands (25) Spells (14) The great one is back in Standard
8 Thassa's Oracle Hard To Beat Thoracle One of the most consistent win conditions on a single creature, Thassas Oracle is a creature that close games out all on their own
What Is Kicker
I always like to give red access to Flame Slash and maybe another answer or two so as not to be completely bricked by Courser, but you can also eschew those and treat Courser as a way to push back against the power of Mono-Red Aggro