If you'd like to dive deeper into Hickeys, check out this video by Tavis King
Curiously, you've got a bevy of enchantments that assist your flip-flopping creatures, but adding more would improve the value you get out of these enchantments as well as Kaust as your commander
Fun fact: Digletts nose is incredibly sensitive, helping it detect vibrations and find delicious roots to munch on
Curiously, however, despite keeping its name over decades, modern foils do look different compared to the classics
When this card is Special Summoned, you can add one spell or trap card to the hand or place it onto the field
That list undergoes a process to filter it down into a smaller set of mechanics that are about the right power level and complexity for a 4 mana cost rare: The power level and complexity of this card are acceptable, and it's mechanically playable