Unless you have a really powerful monster, or a Trap or Spell card that keeps your opponent's monsters at bay, you'll typically want more than one monster on the field
Firewall Dragon Firewall Dragon was such an insanely overpowered card that it was banned in both the OCG and TCG for quite some time, until we got an errata to make this card more fair
You can only use each effect of "Zalamander Catalyzer" once per turn
It also hurts that the RBI strengthening effect and the attack constraint do not mesh
Albion the Branded Dragon X DARK Level 8 [ Dragon / FusionEffect ] ATK 2500 DEF 2000 "Fallen of Albaz" + 1 LIGHT monster If this card is Fusion Summoned: You can Fusion Summon 1 Level 8 or lower Fusion Monster from your Extra Deck, except "Albion the Branded Dragon", by banishing Fusion Materials mentioned on it from your hand, field, and/or GY
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