MTG

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 com...

Counter target red or green spell.

Return all creatures to their owners' hands.

At the beginning of each player's upkeep, that player mills X cards, where X is the number of cards in their hand.

Counter target spell. Look at the top four cards of your library, then put them back in any order.

When Denizen of the Deep enters the battlefield, return each other creature you control to its owner's hand.

{X}{W}, {T}: Ballista Squad deals X damage to target attacking or blocking creature.

Tap all creatures without flying.

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.) Enchanted creature doesn't unta...

{T}: Target creature with power 2 or less can't be blocked this turn.

Whenever Cephalid Constable deals combat damage to a player, return up to that many target permanents that player controls to their owner's hand.

Counter target spell.

Return target permanent to its owner's hand.

Flying (This creature can't be blocked except by creatures with flying or reach.) When Aven Cloudchaser enters the battlefield, destroy target enc...

Flying (This creature can't be blocked except by creatures with flying or reach.) {1}{U}: Target player reveals the top card of their library.

Flying (This creature can't be blocked except by creatures with flying or reach.) When Aven Fisher dies, you may draw a card.

Gain control of target Aura that's attached to a permanent. Attach it to another permanent it can enchant.

{T}: Draw three cards. {2}{U}{U}: Return Arcanis the Omnipotent to its owner's hand.

{3}: Target player mills three cards.

Flying

When Academy Researchers enters the battlefield, you may put an Aura card from your hand onto the battlefield attached to Academy Researchers.

First strike

Destroy all creatures. They can't be regenerated.

Flying Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.