Lorwyn

{2}{B}: Regenerate target Treefolk.

Protection from red Sacrifice Burrenton Forge-Tender: Prevent all damage a red source of your choice would deal this turn.

{W}, {T}: Harpoon Sniper deals X damage to target attacking or blocking creature, where X is the number of Merfolk you control.

When Hearthcage Giant enters the battlefield, create two 3/1 red Elemental Shaman creature tokens. Sacrifice an Elemental: Target Giant creature ge...

Flying

This creature's power and toughness are each equal to your life total.

Flying When Mulldrifter enters the battlefield, draw two cards. Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrifi...

Flash Flying Champion a Faerie (When this enters the battlefield, sacrifice it unless you exile another Faerie you control. When this leaves the ba...

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.) When Merrow Harbinger enters the battlefield, you may ...

Champion a Merfolk (When this enters the battlefield, sacrifice it unless you exile another Merfolk you control. When this leaves the battlefield, ...

Changeling (This card is every creature type.) {1}{U}: Switch Turtleshell Changeling's power and toughness until end of turn.

{T}: Target land becomes the basic land type of your choice until end of turn. Activate only during your turn.

Whenever Surgespanner becomes tapped, you may pay {1}{U}. If you do, return target permanent to its owner's hand.

{T}: Target Merfolk creature gets +1/+1 and gains islandwalk until end of turn. (It can't be blocked as long as defending player controls an Island...

{1}{U}, {T}: You may tap or untap target creature.

Changeling (This card is every creature type.) Champion a creature (When this enters the battlefield, sacrifice it unless you exile another creatur...