They're not really my favorite creature type in Magic, but they are fun
That first ability resembles the shenanigans you can get up to with Dargo, the Shipwrecker, so in the right deck, you can cast it for two mana, attack for seven (that can only be blocked by legendary creatures), and then sacrifice it to destroy an annoying artifact or creature
Goring Ceratops Last but not least, we have another dinosaur capable of ending Commander games with ruthless efficiency
Eladamris Call
(It's an artifact with ", , Sacrifice this token: You gain 3 life.") +1: Target artifact or creature loses all abilities and becomes a green Elk creature with base power and toughness 3/3
Awaken the Maelstrom, the effect on the reverse side of Invasion of Alara is absolutely great