Tangrowth

You may sacrifice a creature named Tangela rather than pay this spells mana cost.
Whenever a player adds {r}, you may untap
Tangrowth and remove a card or counter
attached to or on Tangrowth.
{p/g}, {t}: Tangrowth deals damage equal to its power to target tapped creature.
{g}: Choose one — • Tangrowth gets +1/+2 until end of turn. • Detain target tapped creature.