Overgrown Tomb [Ravnica: City of Guilds] Sliver Mutant Set: Legends Type: Artifact Creature

Set: Legends Type: Artifact Creature — Shapeshifter Rarity: Rare Cost: {4} {0}: Change Sentinel's base toughness to 1 plus the power of target creature blocking or blocked by Sentinel

Set: Battle for Zendikar Prerelease Promos Type: Enchantment Rarity: Rare Cost: {3}{G} Devoid (This card has no color

there is an additional combat phase

When that creature dies this turn

Overgrown Tomb [Ravnica: City of Guilds] Sliver Mutant Set: Legends Type: Artifact CreatureSet: Ravnica: City of Guilds Type: Land Swamp Forest Rarity: Rare ({T}: Add {B} or {G}.) As Overgrown Tomb enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.