Awesome Cyber Monday

Flash Enchant creature you control Whenever enchanted creature or another modified creature you control dies, create X 1/1 colorless Spirit creatur...

As long as Kosei, Penitent Warlord is enchanted, equipped, and has a counter on it, Kosei has "Whenever Kosei, Penitent Warlord deals combat damage...

Enchant creature Enchanted creature has "Whenever this creature attacks, it deals X damage to defending player, where X is the number of cards in t...

As Port Town enters the battlefield, you may reveal a Plains or Island card from your hand. If you don't, Port Town enters the battlefield tapped. ...

Flying, vigilance

Vehicles you control have crew 2. At the beginning of combat on your turn, target artifact creature you control gains lifelink and vigilance until ...

As Game Trail enters the battlefield, you may reveal a Mountain or Forest card from your hand. If you don't, Game Trail enters the battlefield tapp...

Each player shuffles all creatures they own into their library. Each player who shuffled a nontoken creature into their library this way reveals ca...

{T}: Add one mana of any color that a land an opponent controls could produce.

Temple of Enlightenment enters the battlefield tapped. When Temple of Enlightenment enters the battlefield, scry 1. {T}: Add {W} or {U}.

Temple of Abandon enters the battlefield tapped. When Temple of Abandon enters the battlefield, scry 1. {T}: Add {R} or {G}.

{T}: Add {C}. {T}, Pay 1 life: Add one mana of any color. Activate only if you control an artifact.

{1}, {T}: Add {W}{U}.

Raging Ravine enters the battlefield tapped. {T}: Add {R} or {G}. {2}{R}{G}: Until end of turn, Raging Ravine becomes a 3/3 red and green Elemental...

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then s...

{T}: Add {C}{C}.

({T}: Add {W} or {U}.) Prairie Stream enters the battlefield tapped unless you control two or more basic lands.

Flying Whenever Smuggler's Copter attacks or blocks, you may draw a card. If you do, discard a card. Crew 1 (Tap any number of creatures you contro...

{T}: Add {C}. {1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the ...

{T}: Add {U}.

{1}, {T}: Add {R}{G}.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Draw X cards.

Flying Whenever Weatherlight deals combat damage to a player, look at the top five cards of your library. You may reveal a historic card from among...

Equipped creature has double strike. (It deals both first-strike and regular combat damage.) Equip {2} ({2}: Attach to target creature you control....