Oathsworn Vampire [Rivals of Ixalan] Urza's Legacy they tap all lands with

they tap all lands with mana abilities they control and lose all unspent mana

you may destroy target creature if its power is 0 or less

Set: Alpha Edition Type: Artifact Creature — Beast Rarity: Rare Cost: {6} Clockwork Beast enters the battlefield with seven +1/+0 counters on it

Whenever a player casts a spell

add {R}{W}{B}

Oathsworn Vampire [Rivals of Ixalan] Urza's Legacy they tap all lands withSet: Rivals of Ixalan Type: Creature Vampire Knight Rarity: Uncommon Cost: {1}{B} Oathsworn Vampire enters the battlefield tapped. You may cast Oathsworn Vampire from your graveyard if you gained life this turn. "My conquistadors are never slain, merely laid to rest." Queen Miralda the Pious