Blue-Black Creatures (21) Sephiroth, Planet's Heir Sahagin Il Mheg Pixie x3 Ultimecia, Temporal Threat Undercity Dire Rat x4 Shinra Reinforcements x3 Shambling Cie'th x3 Al Bhed Salvagers x3 Seymour Flux Xande, Dark Mage Sorceries (6) Retrieve the Esper x2 Relm's Sketching Evil Reawakened x2 Deadly Embrace Instants (7) Dreams of Laguna x2 Sephiroth's Intervention x3 Overkill x2 Artifact (1) Lands (25) Treno, Dark City x4 Island x9 Swamp x12 Sephiroth has a high mana cost and to help make up for it, an effect that can shrink or kill many creatures
Activate only before the combat damage step
These have their own Keyword with the ( Ability explained in italics in parentheses )
The reason we don't see loads of this getting play is that it only works brilliantly in the Sneak based deck
Since Rulik Mons adds green to your Goblin deck, you can start playing cards like Doubling Season and Parallel Lives to start doubling up on your token generation
Delirium Whenever a source you control deals noncombat damage to an opponent, if there are four or more card types among cards in your graveyard, Fear of Burning Alive deals that amount of damage to target creature that player controls