Even having a single creature with good enough evasion makes most opponents find a way to deal with it, and giving yourself more combats means they have less time and chances to find an answer
(2011-09-22) Although the named card can't be cast, it can still be put onto the battlefield by a spell or ability (if it's a permanent card)
All-Time Favorites: Pikachu-GX & Eevee-GX
It just won't lose flying
Green: Commune with Beavers - This looks like a silly meme card but its one of the better green draw cards, since its mostly an Oath of Nissa riff (doesnt leave a game object behind and trades the ability to get planeswalkers with the ability to get artifacts, which is likely an upgrade.) A card thatll likely stick around in my cube for some time
The deciding factor for each has been covered by Gavin Verhey, but mostly these cards help games become stale through repetitive play, restricted land use too harshly, or gave the user an advantage that tended to be outsized or oppressive