Examples of some items I used: video games, fishing license, hard candy, weird jewelry, pictures, cat toys, crochet hook, books, art supplies, love letter, pokemon cards
There are also plenty of ways to deal damage to your own creatures, either with direct damage spells, or cards like Forerunner of the Empire
The odds of discarding your hand if you have a full grip is only 35%, which isnt awful, but think about the other 65% of the time where you get to draw two cards or return something to your hand
This was because the graveyard started empty and wasn't a resource you had at the beginning of the game but would naturally fill up as the game progressed
When this iteration of Sisu comes into play, you get to banish all your opponent's characters with two strength or less