| Set | Date | Rarity | Treatment |
|---|---|---|---|
| WWK #34 | 2010-02-05 | Uncommon | Standard |
| WWK #34 | 2010-02-05 | Uncommon | Standard |
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.