Bog Elemental

Flying, first strike

At the beginning of your upkeep, sacrifice this creature unless you pay .

: Destroy target land.

At the beginning of your upkeep, unless you pay , tap this creature and sacrifice a land of an opponent's choice.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

At the beginning of your upkeep, sacrifice a creature if you don't control an Ogre.

At the beginning of your upkeep, if you control another nonland permanent, sacrifice this creature.

At the beginning of your upkeep, each player sacrifices a non-Vampire creature of their choice.

Flying

At the beginning of your upkeep, draw a card unless target opponent sacrifices a creature of their choice or pays 3 life.