pikachu pokemon card 58/102 151 Booster Box TCG – Base Set (French Edition), Common Base Pokemon Set Pikachu does 10 damage to self. 1995 PIKACHU GNAW Pokemon Card

Some trigger when something else happens during the battle e.g

You know, where everyone forgets Sweltering Suns and Settle the Wreckage were printed

Note that this is damage, not just combat damage if you can string some rituals and buffs together with cards like Storm-Kiln Artist, Birgi, and Haze of Rage, you can convert that into a Chandras Ignition with little effort

Codsworth, Handy Helper I really like Codsworth, Handy Helper, and lots of white decks use aura and equipment, either for utility or enchantment based removal, so both of the activated abilities are really strong

Oversold Cemetary is one of those cards