Chandra, Flamecaller

[+1]: Create two 3/1 red Elemental creature tokens with haste. Exile them at the beginning of the next end step.
[0]: Discard all the cards in your hand, then draw that many cards plus one.
[−X]: Chandra deals X damage to each creature.

Pioneer Masters

Secret Lair Drop

Commander 2020

+1: Create two 3/1 red Elemental creature tokens with haste. Exile them at the beginning of the next end step.
0: Discard all the cards in your hand, then draw that many cards plus one.
−X: Chandra, Flamecaller deals X damage to each creature.

San Diego Comic-Con 2016

Oath of the Gatewatch

+1: Put two 3/1 red Elemental creature tokens with haste onto the battlefield. Exile them at the beginning of the next end step.
0: Discard all the cards in your hand, then draw that many cards plus one.
−X: Chandra, Flamecaller deals X damage to each creature.

You can activate Chandra's second ability while you have an empty hand. If you do, you'll draw one card.

For Chandra's second ability, it doesn't matter if the cards don't go to your graveyard because of a replacement effect. For example, cards with madness discarded this way will still count toward the number of cards you discarded.