Compared to other best zombie commanders, Grimgrin demands precise sequencing and board awareness
Each player may put a land card from their hand onto the battlefield, then each opponent who didn't draws a card
Jumbo Cactuar is a creature, keyword plant, that costs a hefty five colorless and two green mana to cast to the table, so unless youve got a hot hand its unlikely that hell reach the table until after the first few rounds
With cards, people already know the characters to some extent, and they have personal feelings and attachments from playing the games, so you have to make sure there's no disconnect between the pieces and people's expectations
When youre behind in a game and just need to find more ammunition, this spell can help ensure you find the right cards to fight your way back
Then, when a creature that is forced to attack deals damage to an opponent, Firkaag gains +1/+1 and you get to draw a card