A 4/4 is fine, if a bit sad against Sheoldred, and its ability to Shock something whenever you cast a spell should be able to close out the game quickly, assuming you have some cards in hand
Lysandres Trump Card was banned from competitive Pokmon TCG play for being overpowered
Most veteran players will know this, but in card games with a life value, gaining life is not as important as spending it
Perfect fit for PSA graded slabs
The card was a formidable form of interruption as it could destroy a card on the opponent's board , but it could also destroy cards on the Dragon Link player's board, meaning that it could actively play during the opponent's turn
If one is running a mono-blue deck and needs ramp, the pickings are slim