If you hit two Landfall triggers a turn, you get it built in
Since there are 4 players in every game but you can only attack one player at a time, it creates an environment where players are incentivized to form alliances, broker deals for power, and parlay their way into dominance
However, this one has been pretty strong
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Whenever you sacrifice a permanent, Juri will grow with +1/+1 counters and deal the power it has to a target when it dies
However, once you calculate what the difference is, replacement effects can change how many poison counters the player actually gets