Necrogenesis [Modern Masters 2015] Troll Skeleton Set: Return to Ravnica Type:

Set: Return to Ravnica Type: Instant Rarity: Common Cost: {5}{R} Explosive Impact deals 5 damage to any target

as can their creator

Set: Duelist Pack 1: Jaden Yuki Card type: Quick Play Spell Rarity: Common Send to the Graveyard 1 "Winged Kuriboh" from your side of the field and 2 cards from your hand

Set: Urza's Saga Type: Creature — Phyrexian Zombie Rarity: Common Cost: {2}{B} Sacrifice a creature: Phyrexian Ghoul gets +2/+2 until end of turn

Special Summon it during the End Phase and it gains 500 ATK and DEF

Necrogenesis [Modern Masters 2015] Troll Skeleton Set: Return to Ravnica Type:Set: Modern Masters 2015 Type: Enchantment Rarity: Uncommon Cost: {B}{G} {2}: Exile target creature card from a graveyard. Create a 1 1 green Saproling creature token. "Those may be the squirms of one life ending or of another beginning. Either way, I'd leave it alone." Rakka Mar