Mugrón, Rí na Murúch

Other Merfolk you control get +1/+1
Mettle—{1}{g}: Return target card from your
graveyard to your hand.
Mettle—{1}{w}: Destroy target artifact or
enchantment.
Mettle—{1}{u}: Scry 1, then draw a card.
(You have Mettle as long as a Merfolk you control
dealt damage to a player this turn.)