Advanced Search Sets Random Syntax Aang's Iceberg Aang, Swift Savior Aang, the Last Airbender Abhorrent Oculus Abuelo, Ancestral Echo Abyssal Harvester Adorned Crocodile Aegis Sculptor Agate Assault Agatha's Soul Cauldron Agent of Kotis Aggressive Negotiations Agrus Kos, Spirit of Justice Airbender Ascension Airbender's Reversal Airbending Lesson Alania's Pathmaker Alchemist's Assistant All-Fates Stalker Aloe Alchemist Ambush Wolf Analyze the Pollen Ancient Adamantoise Ancient Vendetta Angel of Finality Angelic Edict Annie Flash, the Veteran Another Round Anticausal Vestige Antiquities on the Loose Anzrag's Rampage Appa, Loyal Sky Bison Appa, Steadfast Guardian Aquatic Alchemist Arala, Hedron Scaler Arashin Sunshield Araa, Heart of the Spider Archaic's Agony Archdruid's Charm Archenemy's Charm Archmage's Newt Ardyn, the Usurper Ascendant Dustspeaker Ashiok, Wicked Manipulator Assimilation Aegis Aurelia's Vindicator Auron's Inspiration Avatar Yangchen Avatar's Wrath Aven Interrupter Ayli, Eternal Pilgrim Azula, Cunning Usurper Bahamut, Warden of Light Banishing Light Baron Helmut Zemo Beanstalk Wurm Beastbond Outcaster Beetle, Legacy Criminal Behind the Mask Bellowing Bruiser Beluna's Gatekeeper Beseech the Mirror Betrayer's Bargain Beyond the Quiet Bite Down on Crime Black Cat, Cunning Thief Black Widow, Super Spy Blacksnag Buzzard Blazing Crescendo Bogslither's Embrace Boiling Rock Rioter Bonebind Orator

And if you are
Two colors Aggro decks typically consist of one or two colors
Both cheat equip costs and draw you cards, and both will generate consistent value for you
These are at their best when they are efficient, delaying more expensive plays for only a few mana