To get mana out of a land card, you need to tap it, turning it on its side to indicate its been used that turn
Strutting | Turkey is the former
As always, it pays to follow Martin Juzas prerelease principles: build a smooth mana curve, respect your mana base, and dont forget the fundamentals
Finally, Etrata, the Silencer is a deck that flickers Etrata in response to her combat damage trigger, allowing you to hit players turn after turn
A deck centered around such a knowledgeable individual would surely want to showcase this, which is why this deck is full of entirely unique creatures
Players can't be targeted, so it essentially makes a turn become passive