I've seen a Black Alistar, it was truly amazing...

black ali zombie ryze human ryze, silver kayle, reindeer kog, happy elf teemo, elf tris or whatever

seen most/all of the Vancouver, saw oddone with regift amumu for the first time that was a cool skin.

those are the ones i can think of, Oh and medieval twitch

I've got silver kayle and snowbunny nidalee but they are only recolors unfortunately. The rammus that looks like bowser, and human ryze I've never seen in game. The elf tristana i saw wayyyy back when it was released, haven't seen any since. huntress sivir and goth annie are from bundles too but I've never seen them in game (like silver kayle except that was from the physical copy of the game) theres probably many I'm forgetting

I've never seen Reindeer Kogmaw

curling veigar (the rarest cuz its so dumb)

Festival kassadin... Saw one once when i was like lvl 5. All the winter olympic ones are pretty rare though.

I've never ever ever seen Lolipoppy.

Hmm Lets see I think I got them all..

Enjoy

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That's kingpin twitch and magnificent TF, both of which are on sale right now for like 260/910