Scientists Aang's Defense Aang, Master of Elements Aberrant Abeyance Abomination of Gudul Abundance Abundant Growth Abzan Banner Abzan Beastmaster Abzan Charm Academy Elite Academy Loremaster Academy Wall Academy at Tolaria West Accumulated Knowledge Aclazotz, Deepest Betrayal Acquisition Octopus Acrobatic Maneuver Action News Crew Adrestia Advancing the Spirit Adventure Awaits Adventurer's Airship Aeon Chronicler Aerial Extortionist Aesi, Tyrant of Gyre Strait Aether Channeler Aether Spellbomb Aether Syphon Aetherflux Conduit Afflict Afterlife Insurance Age of Ultron Agency Coroner Agent 13, Sharon Carter Agent Maria Hill Agent Venom Agent of Treachery Agent's Toolkit Aggressive Urge Agna Qel'a Agonasaur Rex Ahriman Air Nomad Legacy Airbending Lesson Airborne Aid Airship Crash Airship Engine Room Ajani Fells the Godsire Akroma's Blessing Akroma's Vengeance Aladdin's Lamp Alandra, Sky Dreamer Alaundo the Seer Alchemist's Apprentice Alchemist's Vial Alhammarret's Archive All-Fates Scroll All-Seeing Arbiter Alms Collector Alpharael, Dreaming Acolyte Alphinaud Leveilleur Alquist Proft, Master Sleuth Altanak, the Thrice-Called Altar of the Wretched Altar's Reap Amass the Components Ambition's Cost Ambling Stormshell
MtG Teenage Mutant Ninja Turtles Common Stockman, Mad Fly-entist , discard this card to search your library for an Island card and put it into your hand
The four most powerful cards in Pioneer are Fable of the Mirror Breaker, Treasure Cruise, Unholy Annex, and Arid Archway
While they don't appear to have any specific mechanics tied to them, the cards can likely be included in any deck that's made of one of the card's two ink colors
On the other hand, if an ability targets two or more creatures, it will resolve if at least one legal (valid) target still exists
