Their ability reads whenever a nontoken knight you control dies, each opponent loses 1 life and you draw a card
Bahamut, Warden of Light Braska's Final Aeon Esper Terra Ifrit, Warden of Inferno Phoenix, Warden of Fire Shiva, Warden of Ice Summon: Alexander Summon: Anima Summon: Bahamut Summon: Brynhildr Summon: Choco/Mog Summon: Esper Maduin Summon: Esper Ramuh Summon: Fat Chocobo Summon: Fenrir Summon: G.F
And without any dual lands or additional mana fixing, a 16-land deck with an 8/8 split of basics is just barely hitting both minimums
Clay Golem Clay Golem isnt the end of the world as a 4/4 creature that you can monstrous to destroy something
It functions in all zones, not only while a card that has it is on the battlefield
While itll require a little more mana than a Bane of Progress, most things you wanna blow up can be achieved with a total of eight mana