Flash

Whenever an opponent searches their library, you gain 1 life and draw a card.

Flying

When Aven Fogbringer enters the battlefield, return target land to its owner’s hand.

Prevent all damage that would be dealt to creatures this turn. Creatures you control gain hexproof until end of turn. (They can’t be the targets of spells or abilities your opponents control.)

Prevent all combat damage that would be dealt this turn.

Defender, flying

Prevent all combat damage that would be dealt to and dealt by Fog Bank.

Flying (This creature can’t be blocked except by creatures with flying or reach.)

When Fog Elemental attacks or blocks, sacrifice it at end of combat.

Flying

{B}: Regenerate Fog of Gnats.

You gain 1 life for each creature on the battlefield. Prevent all combat damage that would be dealt this turn by creatures with power 3 or less.

Enchant creature

Enchanted creature is a Spirit and can’t attack or block. (It loses all other creature types.)

Cast this spell only during the declare blockers step.

Attacking creatures become blocked. (This spell works on creatures that can’t be blocked.)

Skulk (This creature can’t be blocked by creatures with greater power.)

When Fogwalker enters the battlefield, target creature an opponent controls doesn’t untap during its controller’s next untap step.

Cast this spell only during the declare attackers step and only if you’ve been attacked this step.

Prevent all damage that would be dealt to you this turn by attacking creatures.

Whenever Leery Fogbeast becomes blocked, prevent all combat damage that would be dealt this turn.

Phasing, cumulative upkeep {1}, echo {G}{G}, fading 3, bands with other Dinosaurs, protection from Homarids, snow-covered plainswalk, flanking, rampage 2

Trample

If damage would be dealt to another creature you control, prevent that damage. Put a +1/+1 counter on that creature for each 1 damage prevented this way.

When Vigor is put into a graveyard from anywhere, shuffle it into its owner’s library.