Whispers In The Well Cardlist Highlights Amber (Cards 134) 1/204: Baloo Friend and Guardian (Rare) 3/204: Rapunzel Ready for Adventure (Legendary) 7/204: Eilonwy Princess of Llyr (Common) 17/204: Ariel Ethereal Voice (Rare) 19/204: Mowgli Man Cub (Super Rare) 20/204: Simba King in the Making (Super Rare) 23/204: Mickey Mouse Amber Champion (Rare) 32/204: The Black Cauldron (Legendary Item) Amethyst (Cards 3568) 36/204: The Horned King Wicked Ruler (Super Rare) 40/204: Demona Betrayer of the Clan (Common) 51/204: Coldstone Reincarnated Cyborg (Rare) 55/204: Demona Scourge of the Wyvern Clan (Legendary) 56/204: Hades Looking for a Deal (Legendary) 60/204: Cheshire Cat Inexplicable (Super Rare) 62/204: Can't Hold It Back Anymore (Rare Song) Emerald (Cards 69103) 81/204: Flynn Rider Spectral Scoundrel (Uncommon) 82/204: Bellwether Master Manipulator (Uncommon) 85/204: Baloo Carefree Bear (Rare) 88/204: Shere Khan Keen-Eyed Hunter (Common) 89/204: Scrooge McDuck S.H.U.S.H

The Grixis color combination isn't great at ramping mana, but vampires tend to be very efficient in their cost and rely on each other for benefit, besides, you are limited to casting one collected card on each player's turn, so it's not broken right
This commander is a discard payoff, and its a nice combo with Sadistic Hypnotist since you can sacrifice the elf tokens to make them discard more cards and make more elf tokens
When Myr Battlesphere enters the battlefield, create four 1/1 colorless Myr artifact creature tokens
Instant Color tag templates(None) Second Sunrise Each player returns to the battlefield all artifact, creature, enchantment, and land cards in their graveyard that were put there from the battlefield this turn