What's the trick to making a Clash deck? You need to Planet!
The Earth Clash event will begin on April 15th at 18:00 UTC and will end on April 19th at 18:00 UTC.
Clash events have a unique, combo-based BGE and are only available to players that have reached SFC. The event will run from 04/15/19 to 04/19/19 starting and ending at 18:00 UTC.
For more information about Clashes, check out this FAQ - https://kon.gg/throwdownclash