mtg lost caverns of ixalan commander deck list The Decks [Set of 4] MTG / The Lost Caverns

Starn has a static ability that reads "Whenever another source you control deals exactly 1 damage to a permanent or player, Ghyrson Starn, Kelermorph deals 2 damage to that permanent or player"

That mana lets you cast more threats, activate abilities, or close the game in the same turn

Cards from the new Attack of the Vine

(2023-09-01) The copy remembers any decisions that were made for the original spell as it was cast, including values chosen for X in its mana cost and whether any alternative or additional costs were chosen

In other words, Masters sets werent being designed for competitive play anymore

This card is nuts and the only real drawback that it includes is only tapping for colorless mana if you're using the mana for anything else