Measure the border width on each side, add them together to get the total, then divide each individual measurement by the total and multiply by 100 to get the percentage
It seems very unlikely that the consistency you lose from playing 20 extra cards will decrease your odds of winning by 10% or more, which would mean even discounting any specific Yorion, Sky Nomad synergy, it would be correct for a lot of decks to add some extra cards to meet the Bird Serpent's companion restriction
Stronghold Furnace Plane: Rath If a source would deal damage to a creature or player, it deals double that damage to that creature or player instead
PSA has since corrected its labeling
You can make a pokemon theme invitation card with pictures of your favorite Pokemon
Magic: The Gathering's Mystery Booster returned in 2024 as Mystery Booster 2, and was first released as part of the Festival in a Box launch at MagicCon Las Vegas in August of that year