Unlike today, when each player can have a copy of a legend on the battlefield, in 2000, only one copy of a legend could exist on the battlefield, period, between both players
An opponent can flicker or airbend your creature to take the +1/+1 counters away in most cases anyway
Flavor Text "Places, everyone!" Judith Number 131 Language English Legal Formats Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Timeless, Vintage Not Legal Formats Alchemy, Pauper, Standard Rulings (1/25/2019) Light Up the Stage doesn't change when you can play the exiled cards
If an effect allows you to put a card with particular characteristics onto the battlefield without instructing you to play or cast it, you consider only the characteristics of a modal double-faced card's front face to see if that card qualifies