If an opponent had a green creature enter the battlefield under their control this turn, you may pay {U} rather than pay this spell's mana cost. Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.
Personal Decoy enters the battlefield with a number of loyalty counters on it equal to your life total. If it would leave the battlefield, exile it instead of putting it anywhere else. You can't be attacked. [+1]: You gain 1 life. [–4]: Draw a card.
Destroy up to X target artifacts and/or enchantments. Create twice X 1/1 black and green Pest creature tokens with "When this creature dies, you gain 1 life."
Pest Problem Plagues Eatery—"Never Thought I'd Miss the Rats," Owner Laments
At the beginning of the end step, if no creatures are on the battlefield, sacrifice Pestilence. {B}: Pestilence deals 1 damage to each creature and each player.
{T}, Discard a card: Create a 1/1 black and green Pest creature token with "When this creature dies, you gain 1 life." {1}, {T}: Each opponent mills cards equal to the amount of life you gained this turn. {4}, {T}: Exile four target cards from a single graveyard. Draw a card.
Look at the top three cards of your library. You may put those cards on the bottom of your library in any order. If you do, return Petals of Insight to its owner's hand. Otherwise, draw three cards.