When its part of a spell or an activated ability, as with Sapphire Charm or Teferi, Master of Time, you can counter that spell or activated ability with a counter like Counterspell or Stifle
It is a much needed help for green and with a mana cost of only 2, youre going to be able to get this into play pretty quickly and be seeing 3 every turn
Ravnica block (2005) Ravnica updated the multicolored cards, by adding the hybrid concept: A card that could be red OR white, for example
Wojek Investigator Card advantage in white often comes with conditions, and Wojek Investigator delivers it cleanly
Speaking of Sedgemoor, her and Chittering Witch can add pesky little 1/1's that are great for sac fodder or adding to the poke damage we've accrued
Second, once a player has collected four copies of a card, they'll only need to collect a single copy of any new printing to be able to use four copies of that printing in their decks