One thing you can do if you can activate Jhoiras Timebug multiple times in a turn cycle is first add a Time Counter to a Suspend card, then remove a Time Counter, which benefits cards like Dinosaurs on a Spaceship
You already wanted to run cards like CultivateCultivate and Rampant GrowthRampant Growth in your green decks, and Tatyova just makes it so that casting these spells later in the game is exciting
With some reliable sac fodder, you can double up spells like Debt to the Deathless or Anguished Unmaking to devastating effect
Some of these can still be played in your MTG Arena decks, though several have also done time on an MTG banlist or two
(3/19/2021) You may activate Yawgmoth's first activated ability without choosing a target creature
While it has a demanding casting cost, the effect you get when you play this Battle is basically MTG Cascade with a value of four