Phyrexian Prowler [Nemesis] Merfolk Shaman A monster that battles with

A monster that battles with this card cannot change its Battle Position or attack as long as this card remains face-up in Attack Position on the field

Set: Eldritch Moon Type: Creature — Spirit Rarity: Rare Cost: {G} Whenever Permeating Mass deals combat damage to a creature

and you're wondering why it's angry

detain up to two target nonland permanents your opponents control

Set: Unlimited Edition Type: Artifact Rarity: Rare Cost: {4} All Swamps are 1/1 black creatures that are still lands

Phyrexian Prowler [Nemesis] Merfolk Shaman A monster that battles withSet: Nemesis Type: Creature Phyrexian Zombie Mercenary Rarity: Uncommon Cost: {3}{B} Fading 3 (This creature enters the battlefield with three fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.) Remove a fade counter from Phyrexian Prowler: Phyrexian Prowler gets +1 +1 until end of turn.