The five summon cards in that set with a creature type of Fungus established how the Fungus / Saproling relationship would work in the world of Magic: the Gathering
if you dont like it or have plans for it, you can put it into your graveyard or back on top of your deck
Take your pick, though you can't go wrong with Tireless TrackerTireless Tracker, Omnath, Locus of RageOmnath, Locus of Rage, or Tannuk, Memorial EnsignTannuk, Memorial Ensign
Most competitors at these events are trying to mitigate their losses/maximize their gains, and dont know the best way to do it
Giving Simba that one extra Strength means he now trades evenly with cards like Rafiki - Mysterious Sage and Madam Mim - Fox, which is a big deal