Flaming Ascabi | Blazing Ascabi ("User cards2" competition)

[Shantu]

-2hp and reduce casting cost?
In mono: 4|6&death trigger => 10 damage + death trigger for 2 + 1 card
In duo: 4|5|6|7&death trigger => 22 damage + death trigger + 3 +1|-1 counters for 2 + 3 + 1 card

Increase activation cost and reduce casting cost?
In mono: 4|6|8&death trigger => 18 damage + death trigger for 3 + 1 card
In duo: 4|5|6|7|8&death trigger => 30 damage + death trigger + 4 +1|-1 counters for 3 + 8 + 1 card

I don't think any of those are a really good idea. If you lower the hp, using this card may not worth the card space. If you increase the ability cost, then the ability will be overcosted compared to the effect (compare to rage potion, I guess).

A weaker mono usage is fine in my opinion. Death has enough toys to play with in a mono rush already.