Ravager Wurm [Ravnica Allegiance] 093 and the pools

and the pools

Set: Unknown Event Type: Creature — Phyrexian Cleric Rarity: Common Cost: {2}{B} Infect (A creature with infect deals damage to creatures in the form of a -1/-1 counters and to players in the form of poison counters

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Ruthless Stalker (When this creature enters the battlefield

Set: International Collectors' Edition Type: Artifact Rarity: Rare Cost: {1} {1}

Ravager Wurm [Ravnica Allegiance] 093 and the poolsSet: Ravnica Allegiance Type: Creature Wurm Rarity: Mythic Cost: {3}{R}{G}{G} Riot (This creature enters the battlefield with your choice of a +1 +1 counter or haste.) When Ravager Wurm enters the battlefield, choose up to one Ravager Wurm fights target creature you don't control. Destroy target land with an activated ability that isn't a mana ability.