Land Tax (Shawn "Hammer" Regnier) [Pro Tour Collector Set] Gladiator Set: Alpha Edition Type: Enchantment

Set: Alpha Edition Type: Enchantment Rarity: Rare Cost: {R}{R} Players can't untap more than one creature during their untap steps

As Sacred Foundry enters the battlefield

Set: Beta Edition Type: Creature — Human Assassin Rarity: Rare Cost: {1}{B}{B} {T}: Destroy target tapped creature

Molasses comes to mind

Land Tax (Shawn "Hammer" Regnier) [Pro Tour Collector Set] Gladiator Set: Alpha Edition Type: EnchantmentSet: Pro Tour Collector Set Type: Enchantment Rarity: Rare Cost: {W} At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.