Phyrexian Obliterator [Masters 25]Set: Masters 25 Type: Creature Horror Rarity: Mythic Cost: {B}{B}{B}{B} Trample Whenever a source deals damage to Phyrexian Obliterator, that source's controller sacrifices that many permanents. "Behold blessed perfection." Sheoldred, Whispering One

—Vec tomb inscription

Enchanted creature has first strike

Set: Dragons of Tarkir Promos Type: Legendary Creature — Zombie Naga Rare Cost: {3}{B}{B} Deathtouch Exploit (When this creature enters the battlefield

if any of those cards remain exiled

Demonic Type: Creature — Angel Rarity: Uncommon Cost: {3}{W} Flying

put it into your graveyard and each player returns all creature cards from their graveyard to the battlefield

the Dragon's Mouth

Sacrifice Wooded Foothills: Search your library for a Mountain or Forest card

Set: Kaladesh Inventions Type: Artifact Creature — Thopter Rarity: Mythic Cost: {0} Flying

you may draw two cards

Titania is literally an aspect of the forest itself

This ability can't cause the total number of +1/+0 counters on Clockwork Beast to be greater than seven