The later you draw it, the less likely it is to be an important factor in the game
Among the Unowns from the Lost Thunder set, this one definitely drew the short straw

Abdel Adrian, Gorion's Ward Ajani, Strength of the Pride Akroan Crusader Akroan Horse Alistair, the Brigadier Ancestral Blade Aragorn, the Uniter Archangel Elspeth Argivian Cavalier Assemble the Legion Attended Knight Auton Soldier Baird, Argivian Recruiter Bant Sojourners Barracks of the Thousand Basri Ket Bastion of Remembrance Benalish Commander Black Panther, Vanguard Brimaz, King of Oreskos Captain America, Liberator Commanding Presence Conscripted Infantry Cruel Administrator Dawn of Hope Daysquad Marshal Defiler of Faith Denethor, Ruling Steward Elspeth, Knight-Errant Elspeth, Storm Slayer Emergency Weld Emmara, Soul of the Accord Faramir, Field Commander Fire Nation Archers Fire Nation Occupation Firebender Ascension First Response Forbidden Friendship Frontline Heroism Garrison Cat General's Enforcer Gideon, Ally of Zendikar Goldmeadow Lookout Gwyllion Hedge-Mage Haazda Marshal Hero of the Nyxborn Historian's Boon Hold the Perimeter Honored Knight-Captain Horn of Gondor Hunted Witness Ironroot Warlord Jirina Kudro Kate Stewart Keeper of the Accord King Darien XLVIII Kinsbaile Borderguard Kjeldoran Outpost Knight Luminary Launch the Fleet Ledev Champion Lena, Selfless Champion Lieutenants of the Guard Lossarnach Captain Merry, Warden of Isengard Midnight Angel Armor Militia's Pride Mobilization Nahiri, the Lithomancer Nightsquad Commando Nomads' Assembly Oketra's Attendant

I have had a considerable amount of time to work on this since my last post a couple years ago
This card allows players to destroy multiple cards during the opponent's turn, which can hinder them from creating a board that can deal with this powerful boss monster
A couple of years ago, however, its value increased