Sengir Vampire [Beta Edition] Visions Set: Unlimited Edition Type: Instant

Set: Unlimited Edition Type: Instant Rarity: Uncommon Cost: {G} Cast this spell only during your declare attackers step

Set: Alpha Edition Type: Enchantment — Aura Rarity: Common Cost: {U}{U} Enchant land

or triggered ability

Set: Portal Three Kingdoms Type: Creature — Goat Rarity: Common Cost: {R} Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain

they often substitute whimsy for strategy

Sengir Vampire [Beta Edition] Visions Set: Unlimited Edition Type: InstantSet: Beta Edition Type: Creature Vampire Rarity: Uncommon Cost: {3}{B}{B} Flying (This creature can't be blocked except by creatures with flying or reach.) Whenever a creature dealt damage by Sengir Vampire this turn dies, put a +1 +1 counter on Sengir Vampire.