While most English cards feature a yellow border, Japanese cards contain silver frames, which can change the aesthetic of a card entirely
They are playable right out of the box and while they benefit from upgrades, they aren't necessary for them to function, unlike other certain Precons
Its a staple in many aggressive or combo builds that want their creatures to swing immediately
As new sets are released, older ones may be rotated out of circulation, making those earlier sets even more valuable and difficult to track down
Winther also has a delirium effect that triggers once you have four or more card types in your graveyard
I wonder how this plays out when I compare it to the Black Lotus for the masses, Gilded Lotus (5 Tap: Add three mana of any one color to your mana pool.) This is hard to setup: you need to spend four mana to equip a creature, then the creature needs to deal damage mid game to your opponent-which means that an unblockable or Trample creature will do the trick best