Spawning Pool enters tapped.: Add .: Spawning Pool becomes a 1/1 black Skeleton creature with ": Regenerate this creature" until end of turn. It's still a land. (If it regenerates, the next time it would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)Molimo, Maro-Sorcerer's power and toughness are each equal to the number of lands you control.
Flying (This creature can't be blocked except by creatures with flying or reach.)Whenever a creature dealt damage by Sengir Vampire this turn dies, put a +1/+1 counter on Sengir Vampire.
First strike, forestwalk, vigilance (This creature deals combat damage before creatures without first strike, it can't be blocked as long as defending player controls a Forest, and attacking doesn't cause this creature to tap.)
Flying (This creature can't be blocked except by creatures with flying or reach.)Nightmare's power and toughness are each equal to the number of Swamps you control.
Trample, haste (This creature can deal excess combat damage to the player or planeswalker it's attacking. This creature can attack and as soon as it comes under your control.)At the beginning of the end step, sacrifice Spark Elemental.
Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)Enchanted creature has flying. (It can't be blocked except by creatures with flying or reach.): Return Shimmering Wings to its owner's hand.
As an additional cost to cast this spell, sacrifice all creatures you control.Soulblast deals damage to any target equal to the total power of the sacrificed creatures.