Zendikar / Alara / Lorwyn Era

Flying Whenever another artifact enters the battlefield under your control, Glaze Fiend gets +2/+2 until end of turn.

Flying Whenever Merfolk Skyscout attacks or blocks, untap target permanent.

{T}, Exile an Assassin card from your graveyard: Destroy target creature.

When Fleshbag Marauder enters the battlefield, each player sacrifices a creature.

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...

Flying (This creature can't be blocked except by creatures with flying or reach.) Welkin Tern can block only creatures with flying.

{G/U}{G/U}: Target creature you control becomes the color or colors of your choice until end of turn.

Domain — {3}: Wandering Goblins gets +1/+0 until end of turn for each basic land type among lands you control.

When Merfolk Observer enters the battlefield, look at the top card of target player's library.

Flying (This creature can't be blocked except by creatures with flying or reach.) Cloud Sprite can block only creatures with flying.

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

Flying Devour 1 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with that many +1/...

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) {1}, Sacrifice Qasali Pridemage: Destroy targe...

Flying When Puppeteer Clique enters the battlefield, put target creature card from an opponent's graveyard onto the battlefield under your control...

Flying Whenever Umara Raptor or another Ally enters the battlefield under your control, you may put a +1/+1 counter on Umara Raptor.

Level up {U} ({U}: Put a level counter on this. Level up only as a sorcery.) LEVEL 4-6 2/4 LEVEL 7+ 3/5 At the beginning of each end step, if ...

Flying Cloud Elemental can block only creatures with flying.

Other Merfolk creatures you control get +1/+1. Whenever you cast a Merfolk spell, you may tap or untap target permanent.

When Regal Force enters the battlefield, draw a card for each green creature you control.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Unearth {B} ({B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it ...

Reach (This creature can block creatures with flying.) Forestcycling {2}, plainscycling {2} ({2}, Discard this card: Search your library for a Fore...

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) All lands are Islands in addition to their other types...