Set number and symbol Exact match The number at the bottom of the card and the set symbol separate similar artwork across different releases, promos, and reprints
Mostly it is about the Initiative mechanic

1st Place A Pokemon TCG World Champion Trophy An invitation to the World Championships in 2006 A travel award for the winner (and parent or legal guardian for players under 18) to the 2006 World Championships in Anaheim A scholarship award worth $7500 One box of each of the most current Pokemon TCG expansions for a year Pokemon World Championships commemorative merch Additional prizes not specified 2nd Place A Pokemon TCG World Championships Second Place Trophy A scholarship award worth $5000 One box of each of the most current Pokemon TCG expansions for a year Pokemon World Championships commemorative merch Additional prizes not specified 3rd Place A Pokemon TCG World Championships Second Place Trophy A scholarship award worth $3500 One box of the next Pokemon TCG expansion Pokemon World Championships commemorative merch Additional prizes not specified 4th Place A scholarship award worth $3500 One box of the next Pokemon TCG expansion Pokemon World Championships commemorative merch Additional prizes not specified 5th through 8th Place A scholarship award worth $1500 18x Booster Packs from the next upcoming Pokemon TCG expansion Pokemon World Championships commemorative merch Additional prizes not specified 9th through 16th Place A scholarship award worth $1000 18x Booster Packs from the next upcoming Pokemon TCG expansion Pokemon World Championships commemorative merch Additional prizes not specified 17th through 32nd Place 9x Booster Packs from the next upcoming Pokemon TCG expansion Pokemon World Championships commemorative merch Roughly 11 months after the release of POP Series 1, POP Series 2 booster packs were finally available at the 2005 World Championships

If a creature gains one of the listed abilities before Oddric's triggered ability resolves, perhaps due to another ability that triggered at the beginning of combat, then creatures you control will gain that ability
Buffing your creatures is a nice touch, but I see the real reason to run this sword is for its proliferate ability
With Map tokens it is harder to get that value in the face of your opponents removal