Trigger - Obstruct: Draw a card. You may discard a card from your hand. If itWhite a Clashground, prevent the next X damage done to this card this clash where X is the resource cost of that card.
20: When you play a Clashground, target (Rogue Symbol) Clash card gets +X/+X until end of turn, where X is the resource cost of that Clashground. That card gets Daunting until it's attacked or the start of your next turn.