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If an instant or sorcery source you control would deal damage to a permanent or player, it deals that much damage plus 2 to that permanent or player instead.
At the beginning of each end step, discard your hand.
If all damage from a source is prevented (because of Pay No Heed, for example) or if a source would deal 0 damage, the effect of Pyromancer’s Swath will not apply as that source is no longer dealing damage.
If damage is being dealt to multiple creatures and/or players at the same time, the damage being dealt to each one is increased by 2.
Pyromancer’s Swath doesn’t change the source or recipient of the damage.
