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Flash
When this creature enters, untap each other Merfolk you control.
As long as you attacked with three or more Merfolk this turn, Merfolk you control get +1/+0.
'Other Merfolk get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Flying, vigilance When this...
'Other Merfolk get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)
'Tap an untapped Merfolk you control: Target player mills a card.
'If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on that creature instead.
'Each creature you control can't be blocked as long as defending player controls an artifact land.
'If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on that creature instead.
Exhaust — {X}{U}{U}, {T}: Draw X cards. Put a +1/+1 counter on each Merfolk creature you control. (Activate each exhaust ability only once.)
'Other Merfolk creatures you control get +1/+1.
Whenever you cast a Merfolk spell, you may tap or untap target permanent.
'Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Merfolk spells and Wizard spells you cast cost {1} less to cast.
'If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on that creature instead.