Forbidden Orchard Untapped 5-color mana-fixing comes at a cost, and giving an opponent a 1/1 is quite the downside
Despite its unassuming size and form, Applin embodies the theme of transformation, with its evolutions - Flapple and Appletun - offering distinct roles and appearances
Plus, it has flash, which means that you can potentially bounce an attacker and block the other one it isn't bad for just four mana
In fact, it's not even the rarest card in the Team Rocket set
Variant You can also play a small Shaddoll package with only Shekinaga and 3 Shaddoll Fusions in your sideboard: Revolution version This version can almost always guarantee a Field Spell (with Ancient Fairy then Amritara)
To that end, I think the decision will ultimately come down to how relevant the sacrifice ability is on the card