Necroskitter [Modern Masters 2015]

Necroskitter [Modern Masters 2015]Set: Modern Masters 2015 Type: Creature Elemental Rarity: Rare Cost: {1}{B}{B} Wither (This deals damage to creatures in the form of 1 1 counters.) Whenever a creature an opponent controls with a 1 1 counter on it dies, you may return that card to the battlefield under your control.

where X is that creature's power

Set: Fourth Edition Type: Sorcery Rarity: Rare Cost: {3}{W} Destroy all lands

you may skip that turn instead

At the beginning of the upkeep of enchanted enchantment's controller

return another target Zombie creature card with converted mana cost X from your graveyard to the battlefield

Numsgil did in Blog

you may shuffle Guan Yu into your library

exile Nissa

As Breeding Pool enters the battlefield

As long as you have 30 or more life

Set: Champions of Kamigawa Type: Legendary Artifact — Equipment Rarity: Rare Cost: {3} Equipped creature gets +3/+1

Takeno's Daisho is put into a graveyard from the battlefield