I went with no, because of (can't cancel or ignore) but I'm not sure.
(2024-11-08) For many playtest cards, youll need to make a generous assumption that basic game rules would be updated to allow them to work
Weakness: Metal (x2) Resistance: Darkness (-20) Retreat: 0 Diancie-EX Fairy HP150 Basic Pokemon Ability: Twinkle Veil As long as this Pokemon is your Active Pokemon, any damage done to your Pokemon by attacks is reduced by 30
When building them, cards youve got to include are Intruder AlarmIntruder Alarm, creatures like Kiora's FollowerKiora's Follower, and instants and sorceries that untap your creatures to get the most value out of Ellie and Alan
If they ever get rid of more than creatures, they always cost additional mana
Moreover, since it is materialized, it does not immediately go to GY, it is like Absolute Zero Even the effect that activates when you leave the field is suppressed