Yes it gives your oppnent a 2/2 flying swan, but who cares
The power of the type can be seen in Avatar Enthusiasts, depicting the foaming-at-the-mouth Aang fan cheering on Kyoshi Island
House, President and CEO Overseer of Vault 76 Paladin Elizabeth Taggerdy Powder Ganger Ruthless Radrat Thrill-Kill Disciple Yes Man, Personal Securitron Desdemona, Freedom's Edge Keeper of the Accord Legate Lanius, Caesar's Ace Mysterious Stranger Pitiless Plunderer Rose, Cutthroat Raider Sierra, Nuka's Biggest Fan Wasteland Raider White Glove Gourmand Captain of the Watch Instant (7) Secure the Wastes Deadly Dispute Anguished Unmaking Wear / Tear Entrapment Maneuver Lethal Scheme V.A.T.S
Latias has been found on several notable chase cards over the years, including in 2024s Surging Sparks set, but this one takes the cake
However, a mistranslation in the English print cut out the point of being "Active," which allowed players to stack their benches with Slowkings until they stall their opponent into defeat while shielding the Pokmon from any damage
That's not particularly helpful or clear, so most players remember that rule as "take out dead cards, bring in answers." In many ways that is true, but it's not the actual point of sideboarding