It lets you flip a coin for a chance to Paralyze your opponents Pokemon
Instead of lifegain for lifegain's sake, which is a common theme among angels, Liesa takes the life you gain through cards such as Bishop of Wings or Righteous Valkyrie and pumps it right back into casting spells your opponents may be more hesitant to play
Its appearance is reminiscent of a towering rocket or bamboo shoot, reflecting its dual nature of organic and mechanical attributes
They play your turn, draw your land, do nothing with it, cast your best spells at the worst possible targets, and then swing in with your Creatures against the player playing deathtouch tribal
There are a number of great ways to make your instants and sorceries cost less (Curious Homunculus being one of them), but the best of these cards in blue is probably Wizards of Thay