Synergistic Cards & The Thoughtseize Test Ive seen three main suggestions for cards that might work well with Grief: Ephemerate, Village Rites, and Undying Evil
What Magic players are, usually, not used to doing is spending even a moderately high amount of money on cards that are, functionally, blank
Running Your Own / Using My Spreadsheet If you are interested in running your own 3CB tournament, you absolutely should
[R][R][L][C] Virtuous Flame: 170 damage
Or just slap it on a Stuffy Doll and laugh maniacally, since you're obviously a supervillain if you do that
In many trading card games, the simplest cards are often the most broken - just look at how long Pot of Greed has spent on the YuGiOh banlist