Phoenix decks have been the strongest strategy in various Constructed formats at different times
to_regatha_and_beyond on zdevil burn 3 years ago Good first draft

Aang, Master of Elements Aatchik, Emerald Radian Acererak the Archlich Aclazotz, Deepest Betrayal Acolyte of Aclazotz Adeline, Resplendent Cathar Adeline, Resplendent Cathar Adriana, Captain of the Guard Advanced Reconstruction Aether Syphon Agate Instigator Age of Ultron Agent of Masks Agent of the Fates Agent of the Iron Throne Ainok Strike Leader Ajani, Nacatl Avenger Akroan Horse Aku Djinn Akuta, Born of Ash Alchemist's Talent Alhammarret, High Arbiter Altar of the Brood Amphin Mutineer Anax and Cymede & Kynaios and Tiro (playtest) Angel of Indemnity Angelic Arbiter Angrath, the Flame-Chained Angry Rabble Anje, Maid of Dishonor Anya, Merciless Angel Arabella, Abandoned Doll Araumi of the Dead Tide Arbaaz Mir Arbiter of Woe Archers' Parapet Archfiend of Despair Aria of Flame Ark of Hunger Armor Wars Arrogant Outlaw Arterial Alchemy Arterial Flow Ashiok's Adept Ashiok, Nightmare Muse Ashling, Flame Dancer Aspiring Champion Astral Confrontation Atarka's Command Aurora of Emrakul Auton Soldier Avacyn, the Purifier Avatar of Growth Avengers: Under Siege Awaken the Blood Avatar Ayara, First of Locthwain Azor, the Lawbringer Baba Lysaga, Night Witch Bad Deal Baleful Beholder Balemurk Leech Bandit's Talent Baneful Omen Banshee of the Dread Choir Barrensteppe Siege Basilica Bell-Haunt Basilica Guards Basilica Screecher Bastion of Remembrance Battlefield Butcher Belonging Benthic Anomaly

The creation of Hearthstone changed everything when it came to card games, setting a whole new standard that everybody else has been trying to outdo - or even just catch up to - ever since it first debuted back in 2014
Legacy Showcase Challenge 5/14 This past weekend was also a Showcase Challenge event
Abandon Attachments Each set nowadays has this effect at common or uncommon in red