If she hits the board, your opponent needs a colorless answer or they lose
Appearing in Into the Inklands selection of emerald cards, Ursula, Deceiver of All costs three mana to play - or can alternatively be added to your inkwell - in return for two strength, three willpower and a single point of lore
Some of the most potent are infinite flickers, or blinks, which allow a creature to enter, leave, and then re-enter the battlefield, looped for as long as you need it to
Q: How do I clean and care for the acrylic
You just need to lock the game down until your opponent is out of cards in their hand, and then slowly chip away at them
You may also be able to go off with summons, as making one into a mutant and then untapping with it draws you a bunch of cards