Lorwyn

Flying Whenever you cast a spell during an opponent's turn, you may have target creature get -1/-1 until end of turn.

{T}: Target Goblin creature you control gets +1/+0 and gains flying until end of turn. Sacrifice that creature at the beginning of the next end step.

{R}: Flamekin Brawler gets +1/+0 until end of turn.

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

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) At the beginning of your upkeep, you may return target G...

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

When Aethersnipe enters the battlefield, return target nonland permanent to its owner's hand. Evoke {1}{U}{U} (You may cast this spell for its evok...

{G}, {T}: Look at the top two cards of your library, then put them back in any order.

{T}: Add two mana in any combination of colors. Spend this mana only to cast Elemental spells or activate abilities of Elementals.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Other Giant creatures you control get +2/+2 and have trample.

Changeling (This card is every creature type.) As long as a creature card with flying is in a graveyard, Cairn Wanderer has flying. The same is tru...

All creatures able to block Nath's Elite do so. When Nath's Elite enters the battlefield, clash with an opponent. If you win, put a +1/+1 counter o...

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

Whenever a player casts a Giant spell, you may put a +1/+1 counter on Elvish Handservant.

When Mournwhelk enters the battlefield, target player discards two cards. Evoke {3}{B} (You may cast this spell for its evoke cost. If you do, it's...

When Masked Admirers enters the battlefield, draw a card. Whenever you cast a creature spell, you may pay {G}{G}. If you do, return Masked Admirers...

When Kinsbaile Skirmisher enters the battlefield, target creature gets +1/+1 until end of turn.

{T}: Target creature gets -X/-0 until end of turn, where X is the number of Merfolk and/or Faeries you control.

When Spiderwig Boggart enters the battlefield, target creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/...

Protection from Elves

Flying Whenever Galepowder Mage attacks, exile another target creature. Return that card to the battlefield under its owner's control at the beginn...

{1}{W}: Prevent all damage that would be dealt to target tapped Merfolk or Kithkin creature this turn.

Flying {B}, {T}: Target Faerie or Elf gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much ...