The next is that infect references all damage, not just combat damage, so slapping Phyresis or Glistening Oil on Infected Vermin or Crypt Rats can be a great way to sneak poison counters past heavily-defended battlefields
The most expensive version is the one thats received both the foil and etched treatment, making it a visual delight
He cant die and will always return to your battlefield, but that being said, he is more of a support piece, not really a carry like Megatron
The type shifting from artifact seen on Academy Ruins is a pretty significant enabler for decks that want to use cards like Mirrodin Besieged, Marit Lage's Slumber, and more
Richard Garfield came up with the concept the year before, and originally planned to put Cycling into Tempest - but the set already had too much going on