Ugin's Labyrinth helps smooth out early draws by providing a quick mana boost for powerful early game interaction like Chalice of the Void, which can shut out some strategies altogether
Try to get a Damnation to survive a bad draw, or ideally a Living Death, which is both a way to survive against an aggressive deck and one of the best reanimation effects in the Cube
Creature - Horror Dryad Color tag templates(None) Gran Pulse Ochu Deathtouch : Until end of turn, this creature gets +1/+1 for each permanent card in your graveyard
Thanks to beingf an exile spell, it even works around indestructible creatures and recursion decks, earning its fearsome reputation
There are even plays where it's beneficial to put the counter on Growth-Chamber Guardian rather than evolving him when Oketra is in play
With that being said, I consider Colresss Experiment a clear top 5 card that will enable a lot of crazy combos with Giratina VMAX and other scary attackers