There are plenty of black cards that give infect, such as Glistening Oil and Phyresis

Aura Barbs Barbed Lightning Betrayer's Bargain Blast from the Past Blooming Blast Blur of Blades Breath Weapon Breath of Fire Burn the Accursed Burning Hands Burst Lightning Caught in the Crossfire Chandra's Outrage Chandra's Pyrohelix Char Cinderclasm Cleansing Beam Combustion Technique Conduct Electricity Dark Temper Dead // Gone Deem Worthy Delayed Blast Fireball Demon Bolt Dreadmaw's Ire Eelectrocute Electrostatic Bolt Explosive Derailment Farideh's Fireball Fated Conflagration Fever Charm Fiery Cannonade Fiery Impulse Fire // Ice Fire Magic Firebending Lesson Fires of Undeath Fires of Victory Flame Burst Flame Discharge Flame Javelin Flame Sweep Flame-Blessed Bolt Flames of the Raze-Boar Frantic Firebolt Frost Bite Fuel the Flames Galvanic Blast Galvanic Bombardment Geistblast Ghostfire Slice Glacial Ray Grab the Reins Great Train Heist Guerrilla Tactics Gut Shot Hanabi Blast Heated Argument Hexgold Slash Hungry Flames Inflame Jennika's Technique Kami's Flare Kindle Kozilek's Return Lava Storm Lithobraking Lunge Magma Jet Magma Spray Marvelous Melee

This is a great flicker spell from Theros: Beyond Death that gives you a little more flexibility in whatever you need to flicker at a moment's notice
The cards in the drop are: Academy Manufactor Greensleeves, Maro-Sorcerer Polyraptor Wurmcoil Engine Each card creates tokens which allows players to get creative and make them out of Play-Doh like the illustrations depict
This list still needs some work, as I still need to find a way to avoid Fainting Spell s and fit recovery cards in there, but it works really well in all of the other matchups
This may come in the form of denying them the chance to attack with the effect of a move or increasing their attack costs