I wasn't a big fan of Drilbur because it may not do any damage every turn, I am not a fan of this Excadrill card because it only does below average damage every turn and is very slow on the attack, until you utilize its Ancient Trait, making this card able to do 100 damage a turn, which is well above average damage
This card is the complete package that makes your blue mill spells cost less, and you can use it to mill each of your opponents
Regidrago V (Alternate Art) 184/195 (Silver Tempest) A powerful Dragon-type Pokmon in an artistic landscape
You might not have an urgent need for a specific card on turns 2-4, so rather than potentially wasting a tutor on a card that could be rendered useless as the game develops, you can simply set yourself up to make a more informed decision later
all three cards are double-sided, providing two different pieces of art, though mechanically they are considered single-faced cards
Try to pair it with other instants like Dreams of Laguna to keep your opponent guessing