I recommend to test the game by playing Pokmon TCG live or just in real life with some friends
Oko's direct impact may not be flashy, but the opponent has to answer him - and all the time they're expending resources trying to remove the three-mana planeswalker, his controller can keep building up their own board, getting further and further ahead
Its cheap, you can split the payment across multiple turns, and any deck can exploit it due to its colorless identity
Even with ramp cards like Three Visits , youre looking at a best-case scenario of getting Gilded Lotus on turn 3, which will very likely telegraph to your opponent that youre looking to play big cards early, thus giving them space to counter your plays
Unwinding Clock and Drumbellower both make sure we always have blockers available and will enable us to reuse the protection of Skrelv, Defector Mite