Zodiac Ox [Portal Three Kingdoms] Dissension Activate this ability only once

Activate this ability only once each turn

Set: Kaladesh Type: Artifact Rarity: Rare Cost: {4} If an artifact or creature entering the battlefield causes a triggered ability of a permanent you control to trigger

you lose 1 life and that opponent gains 1 life

Set: Arabian Nights Type: Artifact Creature — Construct Uncommon Cost: {1} Brass Man doesn't untap during your untap step

Set: Shadowmoor Type: Enchantment Rarity: Rare Cost: {1}{W} Other enchantments you control have shroud

Zodiac Ox [Portal Three Kingdoms] Dissension Activate this ability only onceSet: Portal Three Kingdoms Type: Creature Ox Uncommon Cost: {3}{G} Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) ". . . Cao's abdication changed the face of all; No mighty battles marked the Southland's fall. . . ."