Slaad Mutation (4e Feat)
From D&D Wiki
Slaad Mutation [Lineage]
You have been infected by a slaad or raw chaos and survived, gaining strange powers through it.
Prerequisite: 1st level, non-rogue slaad (but have been infected by a slaad or chaos)
Benefit: You may use a chaos warp ability as a daily power. You gain resist 3+1/2 your level to a damage type determined by the table on the rogue slaad table. You can take feats that have Rogue Slaad or chaos warp as prerequisties as long as you meet any other requirement.