Sacrificing a land can be bad, but Id expect a green deck to have plenty of spare lands by the time youre recurring this elemental dragon
While the ability is only permitted once per turn people often forget the fact you can still use it once in their turn too which can lead to surprise blockers or mana they hadn't accounted for

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If youre here to build, collect, or invest (or just chase another Gardevoir alt art), this list is for you
Grab the Reins Whats better than lobbing one of your creatures into your opponents face