The fact you have to flip a coin to determine the effect of the spell doesnt hit the same when you realise one side says good and the other side is incredible
While rarity often indicates the broad utility of a card, it also comes with a higher mana cost and doesn't necessarily combo well with the rest of your deck
As the official Gatherer rulings on Void Winnower say, your opponents "can't even" while this sits on board, and the blocking restriction applies to most token creatures as well
At the beginning of combat on your turn, if you have a full party, target creature gets +1/+1 and gains flying until end of turn
They're wildly overpowered, making them among the strongest "Yu-Gi-Oh!" monsters around, but there has to be a weakest of the three, and that's Slifer the Sky Dragon, the one Yugi gets early on in the Battle City storyline
In these decks that have a lot of very-low-investment artifact generation, Oko can function as a supercharged, cheaper Gideon, Ally of Zendikar that gains loyalty to make 3/3s every turn, except the 3/3s can attack right away (because youre using the ability on artifacts that were already on the battlefield) and the Oko gains loyalty and costs less mana
