mtg draw 4 cards the best way to play magic is by drawing and dying you create a 2/2 white Knight creature token. Nice 2 mana draw 4

You can use it to block then sacrifice it to fetch your two lands or use its death to trigger some effect, something along the lines of a Grave Pact maybe

The last can maul and opposing commander and leave you with a 4/4 sliver angel

1 Ashiok, Nightmare Muse

Yes, paying life causes you to lose life

Painters Servant Painter's Servant is an incredible combo piece that has a one-of-a-kind effect to turn all cards into a single color

Commander Qty: 1 Price: $0.49 Niv-Mizzet, Guildpact Flying, hexproof from multicolored Whenever Niv-Mizzet deals combat damage to a player, it deals X damage to any target, target player draws X cards, and you gain X life, where X is the number of different color pairs among permanents you control that are exactly two colors