Forced: After Coldfell Giant engages you, deal 1 damage to 3 different characters you control.
Shadow: If the defending character has at least 1 damage token on it, attacking enemy makes an additional attack after this one.
Cannot have non-objective attachments.
Forced: When Grey Mountain Giant engages you, discard the top 5 cards of your deck. Assign damage among characters you control equal to the number of allies discarded by this effect.
While at least one Stone-Giant is in the staging area, the Galloping Boulders card gains surge.
Forced: After Stone-Giant engages a player, that player chooses and discards 1 ally he controls.
While Snow-Giant is in the staging area, it attacks the first player during the combat phase, as if it were engaged.
Forced: After Snow-Giant engages you, discard the ally you control with the highest