Grixis (blue/black/red) Kefka plays into forced discard, and easily draws a ton of cards so that you keep your hand full while your opponents lose everything they have
Requiring an enchantment, equipment, and counter to finally break his vow of non-violence, Kosei gets back in the game and then some with a devastating card draw and AOE damage effect
The Quick Ball Trainer card is one such example of one of the best Pokmon cards for competitive play that doesn't cost much at all
Appa, for example, is a Restoration Angel with extras, meaning it can be a surprise blocker, attacker, save another creature from removal all as well as providing part of a combo to go infinite
or target player discards a card
However, when you pull something more special, they feel very special, and Im delighted to report that in our smallish sample, that happened a lot more often than I was expecting