Crimson Muckwader - The List (PLIST) Binder Catalog Flying Whenever Medomai the Ageless

Flying Whenever Medomai the Ageless deals combat damage to a player

Put a number of +1/+1 counters on it equal to the amount of life you gained this turn or the amount of life you lost this turn

" —*The History of Kamigawa*

then reveals that many cards from the top of their library

When Venerated Teacher enters the battlefield

Crimson Muckwader - The List (PLIST) Binder Catalog Flying Whenever Medomai the AgelessCrimson Muckwader gets +1 +1 as long as you control a Swamp. {2}{B}: Regenerate Crimson Muckwader. (The next time this creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)