Guul Draz Overseer [Battle for Zendikar]

Set: Battle for Zendikar Type: Creature — Vampire Rare Cost: {4}{B}{B} Flying Landfall — Whenever a land enters the battlefield under your control, other creatures you control get +1/+0 until end of turn. If that land is a Swamp, those creatures get +2/+0 until end of turn instead.