Witness is mostly used to secure some redundancy on thinly stretched decks with roughly one answer each for a variety of things or as part of a creature focused combo deck
Generally these are produced from paper, but Tyvek is used for higher level resorts or hotels wanting a card sleeve with more durability or protection from the pool or ocean water
Simba Rightful King Weve had several Simba cards at this point in Lorcana already, and each one of them has been interesting
You never want to use the red high heat setting, the blue setting already by itself can get too hot if the button is held on too long so the red is just YOLOing the card
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The last combo is Springheart Nantuko, Overlord of the Hauntwoods, Mana Reflection, and Spelunking