Gengar Ex is a disruptive force, with an ability that disables all supporter cards, effectively breaking up combos, reducing drawing power, and forcing opponents to chip away at Gengar Exs large HP with basic attacks
Given the absolute high price of this card compared with the overwhelming power it brings to bear, Mishra's Workshop would be a poor choice as an entry in the next Masterpiece series or judge's foil
Heading up a deck built around the latter half of Final Fantasy VI, Terra is all about reanimating your small creatures to bring down the big bad
Although you lose out on some of the guaranteed functionality of cards like Windfall, Wheel of Fortune, or some others, you gain a sincere mana advantage that enables you to use your new hand to nearly its fullest potential
If an effect has triggered and the card is affected by a "is also treated as a Digimon with X000 DP" effect, the play cost, level, and DP are overwritten by the newer effect
Other than that, any lockdown strategy that prevents your opponent from damaging the player's Life Points or renders them unable to play cards is effective