Lacey has everything you'd want from a trainer card, and this SIR is likely to climb the price charts over time
As it turns out, the most recent update (the addition of the Wisdom of Sea and Sky packs) added a slight possibility that players could pull six cards instead
Cheap cards that can destroy your opponents creatures are the best

Aang, Air Nomad Aang, Airbending Master Aang, the Last Airbender Abdel Adrian, Gorion's Ward Adelbert Steiner Adeline, Resplendent Cathar Adeline, Resplendent Cathar Ademi of the Silkchutes Aerith Gainsborough Agent 13, Sharon Carter Agent Bishop, Man in Black Agent Maria Hill Agent Phil Coulson Alharu, Solemn Ritualist Amazing Spider-Girl Ant-Man, Scott Lang Apothecary White April O'Neil, Kunoichi Trainee Arachne, Psionic Weaver Aradesh, the Founder Ashe, Princess of Dalmasca Astrid Peth Atalya, Samite Master Augusta, Dean of Order Aunt May Auron, Venerated Guardian Baird, Steward of Argive Baldin, Century Herdmaster Barbara Wright Basil, Cabaretti Loudmouth Basri, Tomorrow's Champion Beatrix, Loyal General Beregond of the Guard Black Panther, Claws of Bast Black Panther, Most Dangerous Black Widow, Intel Expert Boromir, Warden of the Tower Brigone, Soldier of Meletis Bucky Barnes, Eager Ally Captain America, Liberator Captain America, Skybound Captain America, Steve Rogers Captain America, Super-Soldier Captain America, Unbowed Captain America, Wings of Freedom Captain Marvel, Earth's Protector Captain Marvel, Shooting Star Cecil, Redeemed Paladin Celestine, the Living Saint Cho-Manno, Revolutionary Cid, Freeflier Pilot Cloud, Midgar Mercenary Colleen Wing, Street Samurai Commander Sofia Daguerre Crovax, Ascendant Hero Cyan, Vengeful Samurai Daghatar the Adamant Danitha Capashen, Paragon Danitha Capashen, Paragon Danitha, Benalia's Hope Darien, King of Kjeldor Darval, Whose Web Protects Delney, Streetwise Lookout Dion, Bahamut's Dominant Djeru, With Eyes Open Doctor Jane Foster Doctor Spectrum Doctor Strange, Surgeon Donald Blake, Guise of Thor Elena, Turk Recruit Ellyn Harbreeze, Busybody Ennis, Debate Moderator

There you are, defending yourself from combos and greedy players who want to cast lots of spells, effectively bringing a game to a halt
However, there is a sort of structure you can add to your deck building process that may help