Lumbaast Soulvessel

Flying
Landfall (when any land is put into play, target
opponent sacrifices 3 creatures they control
unless they sacrifice 1 artifact card. spells cost
{1} more to cast for all opponents.)
Attacking creature your opponents control will
get a -1/-1 until end of turn. creatures you control
get a +3/+1 and trample until end of turn.