You can read the whole story here, back from when Wizards initially banned the equipment in Standard, but the short version is that Skullclamp was changed from giving the equipped creature +1/+2 to +1/-1 late in development and slipped through the cracks
Here, you can play through a couple more tutorials and then go through mini campaigns that explore some of the lore related to popular archetypes like the Elemental Lords and Monarchs
Additional Prizing based on attendance
Any enters-the-battlefield abilities of the chosen permanent will trigger when Clever Impersonator enters the battlefield
There is also a corresponding Mega Monarch, Vassal, and "Monarch" Spell/Trap Card for each
Put the rest on the bottom in a random order.) Legendary Creature - Dinosaur Commander (CTRL to add secondary) Anthem Anthem (CTRL to add secondary) Artifact Artifact (CTRL to add secondary) Creature Dinosaurs on a Spaceship Vigilance, trample Other Dinosaurs you control get +1/+1 and have vigilance and trample