transformers yugioh cards Set (6/?) - Casual TF YGO Omega Prime by

When that creature dies this turn, flip this creature

This card is obviously good with any commander that has green in their color identity, but you can also use it to cast any legendary spell and prevent it from being countered

While Ayara can be tapped to sacrifice a black creature to draw a card, it states that whenever it or another black creature enters the battlefield under its owner's control, each opponent loses one life, and its controller gains one life

I'm going all custom and it's black-centric

Recently, a sale of this card made history as the first Terastallized Pokmon-ex card to break the US$1,000 barrier