Do you want to gain life?

: You draw a card and target opponent gains 3 life.

Flying Whenever you draw a card, Niv-Mizzet deals 1 damage to any target. : Draw a card.

You don't lose the game for having 0 or less life. When you have 20 or more life, you lose the game. Whenever you lose life, you gain 2 life for each 1 life you lost. (Damage dealt to you causes you to lose life.)

At the beginning of your upkeep, you gain X life and draw X cards, where X is the number of permanents you own that your opponents control. : Target opponent gains control of target permanent you control.