2, You may trash 1 card from your hand: Draw 2 cards
In other words: usually zero , and you have 1/24 odds to find one (in which case it will replace a common from the main set)
In my experience, World Shaper is actually a little short on cards with that effect (surprising since the entire point of the deck is to sacrifice all your lands), so Id also consider adding in a few other spells with a similar ability
Never thought id develop a hatred for pikachu but pokemon pocket did that to me. X user Ninaisnoob said, just look at his smug little face about to deal 90 damage to me. In another online discussion, one person posted on the TCG Pocket subreddit in all caps, I HATE PIKACHU EX!!!, along with an image of the golden Pikachu with devil horns scrawled on top of it
Genesis Wave is always great, especially in an archetype that can usually generate a vast amount of mana