Synchro Summoning - SplashBeast

Synchro Summoning – Yugioh Rulebook

Intro

Synchro Summoning is a way to gain consistent access to powerful monsters that are always available.

Synchro Summoning - Trishula, Dragon of the Ice Barrier

Synchro Summoning solves a problem found in tribute summoning, fusion summoning, and ritual summoning. These other forms of summoning were clunky, you needed each piece in order to make them work. With the invention of Tuner monsters, the barrier to powerful monsters was almost eliminated.