Hello,
First of all, i admit the name sounds funky
![Smiley :)](https://elementscommunity.org/forum/Smileys/solosmileys/smiley.gif)
The ability i suggest is a feature for spell cards which makes them return to your hand after use, making them like permanents which cannot be destroyed, but has a very high casting cost. Some examples;
10
![Fire :fire](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/fire18x18.png)
Destroy the targeted permanent. Returns to your hand after use.
10
![Aether :aether](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/aether18x18.png)
Deals 5 damage to target. Returns to your hand after use.
7
![Air :air](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/air18x18.png)
Deals 4 damage to target creature. Returns to your hand after use.
12
![Darkness :darkness](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/darkness18x18.png)
Steal target permanent. Returns to your hand after use.
10
![Death :death](https://elementscommunity.org/forum/Smileys/solosmileys/../../../images/Misc/death18x18.png)
Inflicts 2 poison. Returns to your hand after use.
What do you think ?