Finlay of Endlessdepth

Islandwalk, Swampwalk, Vigilance
If opponent has no permanents that can
produce {u}, {b}, or {g}; then Defender.
Finlay cannot be countered.
All mono-blue creatures get +0/+1
All Merfolk, Leviathans, Whales, Kraken,
Seals, Sea Lions, Fish and Squid get +0/+2
{2}{u} : recast Finlay from your graveyard or
exile