Then you build up to Niv-Mizzet, Visionary as a huge win-more card that turns your pings of damage into a lot more cards drawn
For example, one of the other cards I added was Lumra, Bellow of the Woods, an elemental bear creature that does the exact same thing when you play it
Set your pricing rules
Not being able to tap out while the opponent makes an Angel every turn is not going to make it hard to win the game

Here they are: Dual Lands Underground Sea: Grixis Control, U/B Deaths Shadow, Grixis Delver, Ad Nauseam Tendrils, Esper Stoneblade Volcanic Island: Grixis Control, Sneak and Show, Grixis Delver, Temur Delver, Ad Nauseam Tendrils Bayou: B/R Reanimator, Ad Nauseam Tendrils, Four-Color Loam, Turbo Depths Badlands: Grixis Control, B/R Reanimator, Four-Color Loam Tropical Island: Temur Delver, Infect Tundra: Miracles, U/W Stoneblade Scrubland: Four-Color Loam, Esper Stoneblade Savannah: Four-Color Loam Taiga: Lands, Four-Color Loam Other Cards City of Traitors: Sneak and Show, Eldrazi Stompy, Affinity, Mono-Red Prison The Tabernacle at Pendrell Vale: Lands, Four-Color Loam Intuition: Sneak and Show Null Rod: Miracles, Grixis Delver Lions Eye Diamond: Ad Nauseam Tendrils Mox Diamond: Lands, Four-Color Loam Drop of Honey: Lands Grim Monolith: Eldrazi Post Gilded Drake: Merfolk This list is eighteen cards long