Awesome Cyber Monday

Enchant land (Target a land as you cast this. This card enters the battlefield attached to that land.) Enchanted land is an Island.

Sea Monster can't attack unless defending player controls an Island.

Flying (This creature can't be blocked except by creatures with flying or reach.) When Sage Aven enters the battlefield, look at the top four cards...

Counter target spell. Untap up to four lands.

Counter target creature spell.

Target player shuffles their graveyard into their library.

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

Destroy target creature. It can't be regenerated. Its controller reveals cards from the top of their library until they reveal a creature card. The...

Destroy target attacking creature. You gain life equal to its power.

Until end of turn, if target player would draw a card, instead that player skips that draw and you draw a card.

Phantom Warrior can't be blocked.

Counter target spell unless its controller pays {3}.

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

Creatures you control have flying.

At the beginning of your upkeep, if you have a card in hand, return Imaginary Pet to its owner's hand.

{0}: Return Blinking Spirit to its owner's hand.

Enchant creature Enchanted creature has flying.

Flying (This creature can't be blocked except by creatures with flying or reach.) {1}{U}: Return Fleeting Image to its owner's hand.

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.) Enchanted creature has islandwal...

Return all creatures to their owners' hands.

Dream Prowler can't be blocked as long as it's attacking alone.