Tengu format ruling
Dawnbreak Gardna
Card effect (current official text)This card is treated as a Normal Monster while face-up on the field or in the Graveyard. While this card is face-up on the field, you can Normal Summon it to have it be treated as an Effect Monster with this effect:
● The original DEF of this card becomes 2300.
Rulings
- If Dawnbreak Gardna gains DEF from The Reliable Guardian, etc. and then is Normal Summoned again, the DEF increase is recalculated after applying its new original DEF.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Tengu forum — sourced change requests get reviewed.