Giving your artifact creatures flying/lifelink can be strong, but you have to be built for proliferation effects, artifacts, and payoffs for the actual counters from proliferating
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Well, keep in mind the little toggle in the top-right labelled Arena Play Modes
The name comes from the fact that the deck doesnt win quickly but does so by slowly bleeding the opponent to death
Assuming the opponent is corrupted The Seedcore plus any of the big pump spells - Might of Old Krosa, Scale Up, Vines of Vastwood, Groundswell, Become Immense- is enough poison to close out the game
When paired with cards like Donatello, Gadget Master, who, as we already know, can create tokens of artifacts you control, Krang, Master Mind becomes a game-changing threat that needs to be dealt with, or your opponents are doomed.