opponent draws cards mtg that benefit from opponents drawing/ having cards : r/mtg Curse of Fool's Wisdom [Commander

And maybe most impressively, Lord of Memes

Creature - Soldier Cat Color tag templates(None) Lord Skitter, Sewer King Whenever another Rat you control enters, exile up to one target card from an opponent's graveyard

It gives red something sweet to do with its mana in the late game and can become quite a potent engine in a stalemate

This leaves Beseech the Queen as a (mostly) unconditional tutor for any color, which is potentially very scary indeed

I hope you can see now that this color combination is steadily growing when it comes to options for card draw

That's pretty much it, and they work well in the same deck too, Rakdos tokens, or add the classic token carer of White to that