Tectonic Instability [Invasion] Legends Set: Invasion Type: Creature —

Set: Invasion Type: Creature — Phyrexian Zombie Assassin Rarity: Rare Cost: {2}{B}{B} {T}: Destroy target creature if it shares a color with the most common color among all permanents or a color tied for most common

Your opponents can't cast spells with the chosen name (as long as this creature is on the battlefield)

puts it on the bottom of their library

sacrifice a creature other than Xathrid Demon

Tectonic Instability [Invasion] Legends Set: Invasion Type: Creature —Set: Invasion Type: Enchantment Rarity: Rare Cost: {2}{R} Whenever a land enters the battlefield, tap all lands its controller controls. "Think of the problems we'll face if you uproot entire continents," said Urza. "I have," replied Teferi, "but the alternative is worse."