Name:Shriekwood Devourer
ManaCost:5 G G
Types:Creature Treefolk
PT:7/5
K:Trample
T:Mode$ AttackersDeclared | ValidAttackers$ Creature.YouCtrl | TriggerZones$ Battlefield | Execute$ TrigUntap | TriggerDescription$ Whenever you attack with one or more creatures, untap up to X lands, where X is the greatest power among those creatures.
SVar:TrigUntap:DB$ Untap | UntapUpTo$ True | UntapType$ Land | Amount$ X
SVar:X:TriggerObjectsAttackers$GreatestPower
Oracle:Trample\nWhenever you attack with one or more creatures, untap up to X lands, where X is the greatest power among those creatures.
