At sorcery speed, you have Pacifism which will shut down the combat side of a creature and Swallow Whole which can exile a creature for only 1-mana while pumping up one of your creatures
Cycling ( , Discard this card: Draw a card.) When you cycle this card, it deals 1 damage to each opponent
It could make a cool colorless commander for a modular deck running lots of creatures than enter with +1/+1s, making those little artifact creatures into huge beaters
Search your library for a Dinosaur creature card, put it onto the battlefield, then shuffle
Anytime a Dinosaur you control would take any type of damage, it in turn deals that damage to anything else, so long as your target isnt a Dinosaur as well
Read More: The 10 Best Dwarves In Commander 10 Sludge Monster Sludge Monster is a five mana blue 5/5 that gets to put a slime counter on up to one target creature whenever it attacks or enters the battlefield