I'm not sure with evasive creatures if this falls into the trouble space of buyback where the player just keeps repeating the same spell
That'd be great on its own, but Ancient Cellarspawn also causes an opponent to lose life equal to the difference between the mana you spent and the mana you should have spent without all the discounts
At this point, we need a shakeup, and emerge decks are going to challenge G/W Tokens on the fronts it isnt prepared to fight on
The cards in these inks are generally a bit more straightforward than some others, and are good at gathering Lore, while also protecting against opponent attacks
If you're looking for a few really devastating ones though, watch this video for a guide to 13 card combos across all colors that will make you deck the envy of you friends
Elesh Norn sent her to Zendikar in the invasion, where she was eventually subdued