Name:Thresher Beast ManaCost:3 G G Types:Creature Beast PT:4/4 T:Mode$ AttackerBlocked | ValidCard$ Card.Self | Execute$ TrigSac | TriggerDescription$ Whenever CARDNAME becomes blocked, defending player sacrifices a land. SVar:TrigSac:AB$ Sacrifice | Cost$ 0 | SacValid$ Land | Defined$ DefendingPlayer | ChangeNum$ 1 SVar:HasAttackEffect:Blocked SVar:Picture:http://www.wizards.com/global/images/magic/general/thresher_beast.jpg Oracle:Whenever Thresher Beast becomes blocked, defending player sacrifices a land.