Sparktongue Dragon
Creature — Dragon
Flying
When Sparktongue Dragon enters the battlefield, you may pay 
. When you do, it deals 3 damage to any target.
Fools believe that Kolaghan's brood follows lightning storms. The wise know that it is the other way around.
3/3
Illustrated by
Core Set 2019#159CommonEnglishLegality
Rulings
Nov 10, 2020
Sparktongue Dragon’s triggered ability goes on the stack without a target. While that ability is resolving, you may pay . If you do, a second ability triggers and you pick a target that will be dealt damage. This is different from abilities that say “If you do . . .” in that players may cast spells and activate abilities after mana is paid but before damage is dealt.
Nov 10, 2020
While resolving the triggered ability of Sparktongue Dragon, you can’t pay multiple times to have it deal more than 3 damage.