pokemon arceus trainer card TCG: Sword & Shield - Brilliant Stars Elite Box Arceus True Self Trinity concept

With Ashaya on the field, the majority of the cards in your deck likely trigger landfall abilities when they enter the battlefield

Flying Floodpits Drowner One generic, one blue creature Merfolk 2/1 Common Flash Vigilance When Floodpits Drowner enters, tap target creature an opponent controls and put a stun counter on it

Flying, prowess Whenever you cast your second spell each turn, create a 4/4 red Dragon Elemental creature token with flying and prowess.

Nutrient Block can be transformed into a 5-power indestructible threat via Zoetic Glyph

Rowan, Scion of War AND Will, Scion of Peace Check out this twin pair that are designed to mirror each other

After that, start trying to get some token generators on the battlefield so you have fresh bodies each turn (or a ton all at once) that can be sacrifice fodder