Gaea's Liege [30th Anniversary Edition] Sliver Mutant (It deals damage to creatures

(It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters

{T}: Add one mana of any color among legendary permanents you control

Collectors’ Edition Type: Creature — Merfolk Rarity: Rare Cost: {U}{U} Other Merfolk get +1/+1 and have islandwalk

and numbers—especially numbers

Gaea's Liege [30th Anniversary Edition] Sliver Mutant (It deals damage to creaturesSet: 30th Anniversary Edition Type: Creature Avatar Rarity: Rare Cost: {3}{G}{G}{G} As long as Gaea's Liege isn't attacking, its power and toughness are each equal to the number of Forests you control. As long as Gaea's Liege is attacking, its power and toughness are each equal to the number of Forests defending player controls. {T}: Target land becomes a Forest until Gaea's Liege leaves the battlefield.