http://yugioh.wikia.com/...i/Destiny_Hero_-_Plasma_ (anime)

ture eff: "D - Force" is face-up on top of your Deck, this card is unaffected by the effect(s) of your opponent's Spell or Trap Cards, and the effects of all face-up Effect Monsters your opponent controls are negated.

ygopro: negated the activations and effects of your opponent's spells/traps that target a card's
you control. and if you do .destroy them.

http://yugioh.wikia.com/wiki/Yu-Gi-Oh !_GX_-_Episode_098

Plasma negated D-Counter.
D-Counter is not a select target card.
http://yugioh.wikia.com/wiki/D_-_Counter_ (anime)

ps) where is a drain time card?
http://yugipedia.com/wiki/Destiny_Hero_-_Plasma_ (anime) the effect negate effect that target a card

2) Drain Time cannot be done with current core

Ps: Try to use Yugipedia over wikia, as it is more up to date, you can see it with plasma, Wikia did not updated it since the 16 september 2017, while pedia page had 3 update since that date