legendary card sleeve size Legendary: Marvel A Marvel Deck Building Base Game game Standard Size Card Sleeves Explained

That's because Vessel for the Dragon Cycle is insanely good

Yannik, Scavenging Sentinel + Karmic Guide + Viscera Seer + Blood Artist

At any time during your turn before your attack, you may discard Dome Fossil from play

Next up, Witherbloom Pestilence is a Black/Green deck with Dina, Essence Brewer as its Commander

The flashback is a little expensive, but 3 mana to create a copy token at instant speed is a good rate

It also means that while Henzie can cheat out Blightsteel Colossus a turn or two early (if it chose to play it, which it wouldnt, because of the shuffle but stick with me), Tannuk can get it out as early as Turn 4 with Haste (or even earlier with Sol Ring and Rituals)