mtg blink a manifested card What happens to face-down created when you manifest dread if you it? Return target nonland permanent to its owners hand Are there any loop-holes/gimmicks to

You lose the option on playing it for black and you have to exile the things you return but you will be sacrificing your stuff before then so it doesn't matter a jot

Any deck that aims to get to the point in a game where they can cast Karn should likely be considering him even if most of those end up not running him

Take the cards to a local games shop and tell the person behind the counter that you want to sell some cards

Seize Opportunity The perfect kind of flexible card to copy in decks that Flurry or Storm

Gluetius Maximus This is another high concept card

Its not absurdly powerful, nor does it push a tribe or archetype