and Soldiers Tribal with Myrel, Shield of Argive commander

Aang, Swift Savior Abhorrent Oculus Abstract Performance Abuelo, Ancestral Echo Admiral Brass, Unsinkable Aegis Sculptor Aerial Caravan Agent of Kotis Agent of Raffine Alaundo the Seer Alberix, the Trade Planet (playtest) Alrund's Epiphany Alrund, God of the Cosmos Alter Reality Aminatou's Augury Aminatou, the Fateshifter Amphin Mutineer Ancestral Knowledge Ancestral Vision Animate Library Aquatic Alchemist Aquatic Alchemist Arala, Hedron Scaler Araumi of the Dead Tide Arcane Artisan Arcane Heist Arcane Infusion Arcane Savant Archive Haunt Archmage's Newt Ardent Plea Argent Sphinx Artful Dodge Ashiok's Erasure Ashiok, Dream Render Ashiok, Nightmare Muse Ashiok, Nightmare Weaver Assert Authority Assimilation Aegis Augury Raven Auton Soldier Aven Initiate Aven Wind Guide Azula, Cunning Usurper Baboon Spirit Back from the Brink Bane Alley Broker Bazaar of Wonders Beacon Bolt Become Anonymous Beetle, Legacy Criminal Behind the Mask Behold the Multiverse Behold the Unspeakable Beluna's Gatekeeper Beluna's Gatekeeper Benevolent Geist Bilbo Baggins, Burglar Bilbo, Luckwearer Bilbo, Thief in the Night Blessed Reincarnation Blizzard Strix Blue Mage's Cane Blur Bond of Insight Bound // Determined Brackwater Elemental Brago, King Eternal Brenard, Ginger Sculptor Brilliant Ultimatum Brinebound Gift Bring to Light

There are many different kinds of robots, so you can determine what "robot voice" means to you, though it should probably sound different from your regular voice (unless you're a robot, I suppose, in which case I for one welcome our new robot overlords)
Whenever a player casts a spell with mana value equal to the number of charge counters on Chalice of the Void, counter that spell