rare 1990 upper deck baseball cards High Series Factory Sealed Box (100) : Toys & Games rare upper deck baseball cards

Trading cards can be valuable for a variety of reasons, including financial, gaming and nostalgic value

It's fine as one mana 1/3 that gains you 1 life, and in the late game you can put the counter somewhere more meaningful

You may be tempted to save that Snapcaster Mage to Flashback another piece of interaction, but pressure is very important in these matchups and if your opponent has counterspell protection, the extra mana needed to use Snapcaster Mage in that way can be a liability

But Last March of the Ents gives you a lot more than Storm the Festival for two more mana, so if you are in that space anyway

The combination of these factors makes it clear why this Gyarados ex card is so valuable