Suddenly, all that discard, land destruction, and card drawing they've used has backfired, as they find themselves at a low life due to Necropotence, with two (or less) lands in play, no creatures, and no cards in hand
Stack it with [D] energy to boost its HP and power its punches
EX4-070 C Option Tarnished Hero Color Purple Cost 3 Card Text 1 [Effect] While you have a green Digimon or Tamer in play, you may use this card without meeting its color requirements
Meltdown pretty much instantly grants a copy of Aleister, which grants players an Invocation, which is a quick way into summoning Invoked Mechaba, which can negate monsters, spells, and traps by sending a card of the same type to the grave
Triple Tactics Thrust X SPELL If your opponent has activated a monster effect during this turn: Set 1 Normal Spell/Trap from your Deck, except "Triple Tactics Thrust", or if your opponent controls a monster, you can add it to your hand instead