the professor mtg card Onyx Price Reading the card explains the

While it's great to steal your opponent's cards, having plenty of your own cards in hand is not a bad idea

It's just to say permanents often give you more mileage

The following is a complete list of ever type of affinity printed as of Foundations : Artifacts Historic Permanents Food Swamps Equipment Outlaws Tokens Clowns Mountains Auras Plains Islands Forests Daleks Planeswalkers Artifact Creatures What Is Anti-Affinity

I dont want to do this anymore and Im only on K Do all of these even need a justification

As you build your army with more +1/+1 counters on them, cast Herald of Secret Streams so they become unblockable