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
You can only use each effect of "Zalamander Catalyzer" once per turn

Deck List Galaxy, Galaxy-EyesDeck List Galaxy-Eyes Manifestation 2020/7/1 Deck and Deck Instructions "Galaxy-Eyes Manifestation 2020/7/1" Deck 2014 Deck Introduction/Deck Commentary Related deck "Galaxy, Galaxy-Eyes" Other Deck List 2022-12-24 Galaxy / Photon pure final version 2022-12-11 Second attack special type Galaxy 2022-12-01 Hopeful Galaxy Galaxy / Photon 2022-11-10 New entry Galaxy (updated from time to time) 2022-10-19 Galaxy Eyes 2022-09-22 New Temporary Galaxy (Fan) 2022-08-27 Galaxy / Photon (New & Restricted) 2022-02-16 [Galaxy-Eyes] Saga of the Dragon Emperor ~Photons and Space-Time~ 2021-10-12 Heian name violet 2021-06-29 Galaxy-Eyes Photon Dragon Deck 2020-12-10 Galaxy-Eyes Interdimensional Dragon Deck (Misael style) 2020-12-06 Galaxy-Eyes Mitsuha Deck 2020-11-04 Chaos Galaxy 2020-11-04 True Ginga 2020-04-10 Muscle Brain Galaxy See all Deck Lists for "Galaxy, Galaxy-Eyes" 2022-12-24 Galaxy / Photon pure final version 2022-12-11 Second attack special type Galaxy 2022-12-01 Hopeful Galaxy Galaxy / Photon 2022-11-10 New entry Galaxy (updated from time to time) 2022-10-19 Galaxy Eyes 2022-09-22 New Temporary Galaxy (Fan) 2022-08-27 Galaxy / Photon (New & Restricted) 2022-02-16 [Galaxy-Eyes] Saga of the Dragon Emperor ~Photons and Space-Time~ 2021-10-12 Heian name violet 2021-06-29 Galaxy-Eyes Photon Dragon Deck 2020-12-10 Galaxy-Eyes Interdimensional Dragon Deck (Misael style) 2020-12-06 Galaxy-Eyes Mitsuha Deck 2020-11-04 Chaos Galaxy 2020-11-04 True Ginga 2020-04-10 Muscle Brain Galaxy See all Deck Lists for "Galaxy, Galaxy-Eyes" Update Information - NEW - 07/17 00:39 Review Paleozoic CambrorasterCategory exclusive link 2 monsters

Freak Out: Zane Truesdale, triggering a FaceHeel Turn
It also hurts that the RBI strengthening effect and the attack constraint do not mesh
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