Fortunately, that isn't all Feral Encounter does, since it has a "bite" effect." That effect is excellent in green even if the player doesn't get a creature from the library's top, assuming they have other high-power creatures already ready to bite something
Their tiered plan system (Free, Standard, Premium) lets you choose your level of inspection and insurance

Aang, Master of Elements Aang, Swift Savior Aang, at the Crossroads Aberrant Researcher Aetherblade Agent Afflicted Deserter Alluring Suitor Ambitious Farmhand Archangel Avacyn Arguel's Blood Fast Arlinn Kord Arlinn, Embraced by the Moon Ashling, Rekindled Ashling, Rimebound Assimilate Essence Attentive Skywarden Autumnal Gloom Avacyn's Collar, the Symbol of Her Church (playtest) Avacynian Missionaries Avatar Aang Ayara, Widow of the Realm Azor's Gateway Balamb Garden, SeeD Academy Bane of Hanweir Bereaved Survivor Blight Titan Blighted Burgeoning Blightreaper Thallid Bloated Processor Bloodline Keeper Bloodsworn Squire Bonded Herdbeast Bound by Moonsilver Branded Howler Brass's Tunnel-Grinder Breakneck Rider Brigid, Clachan's Heart Brigid, Doun's Mind Brimaz, Blight of Oreskos Bruce Banner Captive Weird Catapult Fodder Cecil, Dark Knight Chalice of Life Chilling Chronicle Chosen of Markov Chrome Host Seedshark Civilized Scholar Cloistered Youth Compleated Huntmaster Concealing Curtains Conduit of Storms Converter Beast Convicted Killer Corruption of Towashi Cren, Undercity Dreamer Cryptolith Fragment Curious Homunculus Daring Sleuth Daybreak Ranger Deathbonnet Sprout Delver of Secrets Desperate Farmer Docent of Perfection Dormant Grove Dowsing Dagger Dowsing Device Duskwatch Recruiter Ecstatic Awakener Eddie Brock Edgar Markov's Coffin Eirdu, Carrier of Dawn

All of the Restricted cards from Fourth Edition, met their ends as did many others
The standard version of the card is a great pull in Aetherdrifts Limited formats
I did offer up nine decklists, but you can only register one