
Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)
{T}, Pay 2 life: Remove a counter from target nonland permanent.
Thrull Parasite has 2 printings, first in Gatecrash (2013). EDHREC ranks it #7,244 among Commander cards. It appears most in K'rrik, Son of Yawgmoth decks (3,057 on EDHREC). It has 6 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.