Rakdos, Lord of Riots and Abaddon the Despoiler are good examples of this in action
Theyre generally seen as simple, cheap machines, but bigger versions like Liberator, Urza's Battlethopter also exist
The Pride of Hull CladeThe Pride of Hull Clade is the right color to cover most of the Turtles you may want to play, and since Turtles often have larger toughness than power -- reflecting its protective, defensive nature -- it could certainly successfully lead a Turtle typal deck, even though it's just as good or better running a non-typal, high-toughness deck
At the beginning of each end step, create X 1/1 black Rat creature tokens with This creature gets +1/+1 for each other Rat you control, where X is the number of creatures your opponents controlled that were exiled this turn
Goliath, Clan Leader Enchanted, 238/204 Thats because its right next to Demona