You don't need to attack with Cait Sith, Fortune Teller to gain the impulse card and free scry, but depending on the mana value of that top card, you may want to attack
Also Lightning Bolt working as a Giant Growth in certain situations, such as dodging an opposing Bolt for example, has blown me out in many games
The second triggered ability is pretty good, even if it's more card and mana advantage than card draw
How do rarity and print runs affect a Pokemon cards value
As the name implies, Unlimited was intentionally positioned as less valuable and collectible, but it is still notable today for containing certain cards 35 in all which were removed from later printings of the core set for being too powerful or otherwise problematic
Summon: Leviathan Rating: 8/10 A big blue board wipe attached to a 6/6 creature would be absolutely absurd