2 Runo Stromkirk Lord Of The Deep Big Set-Up, Huge Payoff Runos in a weird spot since its none of the relevant KLOS creature types itself, isnt particularly good on its own, and adding black doesnt give you access to any additional KLOS creatures of note
You can even help other players to avoid getting their good spells countered when it matters to you
Trickster's Elk overwrites all colors and creature types the enchanted creature has
("Why are people against it?") I said they were a cross between transforming double-faced cards, which the majority of the players loved, and split cards, which the majority of the players loved
Instead of simply growing counters, he keeps your hand full while encouraging repeated Proliferate effects throughout the game
From here, a Storm payoff like Brain Freeze can easily end the game