First, let's talk about each ability and ruleset.

The first one we are going to talk about is the bloodlust. This ability is a very powerfull ability, because it can makes a little monster turned into a giant after each succesfull elimination. Bloodlust is a unique ability that attached to gladiators, but since the chaos legion, this ability also given to some monsters outside the gladiators.
After every elimination, the monsters can grow it's attack, armor, health, and speed by 1 points ! Such a great ability !

Next there is double strike. This ability makes it's owner have a 2 times attack on the same turn. This could help monsters to gain it's bloodlust, because sometimes, you can't eliminate a monster with just 1 hit, due to high health point, or there is armor that protect the enemies. With double strike, you can deals more damage, or able to break the armor before land the damage through enemies health points.

Last the born agian ruleset. This is a perfect ruleset for monsters with the bloodlust ability, why ? It's because they have more chance to get the bloodlust, and can grow even bigger than normal battle. And if you take a look at the reborned monster, they only back with just 1 health point ! An easy target to eliminate and trigger the bloodlust, right ?

Those 3 situation could be a synergy to trigger a monster's bloodlust ability. Because with double strike, the monster can easily kill a monster 2 times (after it's reborn with just 1 hp).

The Monster with Double Strike and Bloodlust Ability

So, we already set an ideal situation for trigger the bloodlust, but the question is, is there any monsters with the bloodlust and double strike ? Well, the answer is yes, there is !

Katrelba gobson is the monster with those abilities. She is a very dangerous monster that aim enemies backline with the sneak ability plus the double strike and the bloodlust. At max level, she is having 4 physical damage which will cause 8 damage in total with the double attack ! She also having pretty high speed, but is having quite low health point, so makes sure you put her on safest position. This monster is a perfect assasin for the born again ruleset !

Battle Example

Now let's move into the battle example. You can watch the battle on https://splinterlands.com/battle/sl_f0545fcb4ccdba88bed1b1c0659c8853 , but I will also share it here.

Here is the ruleset and formations for this battle. There is born again ruleset with the reflect magic, so magician are having disadvantage here, which makes physical monsters are likely to appeared. With 21 mana cap, it's quite thight for making a great line up. I assume that enemies would use many low mana monsters to fill the slot, that's why I think it's perfect time to use the Katrelba Gobson, which placed between a martyr monster to give even more stats !

On my enemy side, there is Quora on the back, with a martyr as well in front of her, with a decoy monster on the very last position.

At 1st round, my Katrelba already show her effectiveness as an assasin, with the double elimination of the backline decoy ! This is the great example of how effective her ability on this ruleset. She is getting 2 bloodlust addition which makes her even more dangerous now ! Meanwhile, my enemy still found it difficult to eliminate my monster.

At 2nd round, Katrelba gobson with her powerfull double attack could beat the Quora's survival ability with low health point and regeneration, because she have no time to regen since the double strike already hit all her health point. Another bloodlust for Katrelba Gobson !
Meanwhile, my enemies still unable to eliminate my monster !

Finally on 3rd round, It's become a winner round for my team, with all enemies already eliminated. I win the game with full squad, which is very good if It was a survival mode :)

Conclussion

On born again ruleset, where all monster have another chance to revive and back with 1 health point, lies an opportunity to earn more bloodlust, especially those who is having the double strike ability. Katrelba Gobson is an example of how effective these 3 condition's synergy could help you to win the game. At my battle example, she earn 5 bloodlust which is a lot because my enemy only put 4 monsters on the lane up !

Final Words