Shadowspear's ability will trigger once causing one damage to each opponent.
Double strike is a keyword that modifies the combat damage step; Shadowspear's ability only triggers when it is declared as an attacker during the declare attackers step. Double strike won't affect Shadowspear's ability.
Double strike is a keyword that modifies the combat damage step; Shadowspear's ability only triggers when it is declared as an attacker during the declare attackers step. Double strike won't affect Shadowspear's ability.
GW ~ Angels ~ WG
Modern:
RBW ~ Shadowmancer ~ WBR
Legacy:
BUG ~ Shadow Delver ~ GUB