Doubling your mana is already good, but giving all your creatures +1/+1 really puts it over the top especially in go wide strategies like token decks
Applying these considerations to the Stone-Tongue Basilisk deck, for instance, you might reduce the number of Natures Revolt and Stone-Tongue Basilisk due to their high costs
TEYSA KARLOV ( GUILDS OF RAVNICA ) GUILDS OF RAVNICA ) Teysas death trigger doubling eats up the lions share of her design budget, but thousands of Orzhov players have decided that value is worth the sacrifice literally
The only exceptions are Commander, which is another beast on its own, and Limited formats such as Draft, which has a minimum deck size of 40 cards
Her 'The Singing Sword' ability also lets her challenge ready characters whenever you play a song on your turn, so there's basically no escape from her blade