Awesome Cyber Monday

As an additional cost to cast this spell, return a permanent you control to its owner's hand. Counter target spell.

Defender When Hightide Hermit enters the battlefield, you get {E}{E}{E}{E} (four energy counters). Pay {E}{E}: Hightide Hermit can attack this turn...

Flying

When Janjeet Sentry enters the battlefield, you get {E}{E} (two energy counters). {T}, Pay {E}{E}: You may tap or untap target artifact or creature.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Return target permanent you control and target permanent you don't control to their owners' hands.

When Thriving Turtle enters the battlefield, you get {E}{E} (two energy counters). Whenever Thriving Turtle attacks, you may pay {E}{E}. If you do,...

Draw three cards. If you control no artifacts, discard a card.

Whenever an artifact enters the battlefield under your control, Weldfast Wingsmith gains flying until end of turn.

When Aether Theorist enters the battlefield, you get {E}{E}{E} (three energy counters). {T}, Pay {E}: Scry 1. (Look at the top card of your library...

When Nimble Innovator enters the battlefield, draw a card.

Flying When Experimental Aviator enters the battlefield, create two 1/1 colorless Thopter artifact creature tokens with flying.

Counter target spell. Draw a card, then discard a card.

Flying, trample Whenever Empyreal Voyager deals combat damage to a player, you get that many {E} (energy counters).

Lifelink Whenever an artifact enters the battlefield under your control, scry 1.

Whenever an artifact or Artificer enters the battlefield under your control, you may pay {1}. If you do, you get {E}{E} (two energy counters). Pay ...

Flying Long-Finned Skywhale can block only creatures with flying.

Return target tapped creature to its owner's hand. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your libra...

Enchant artifact or creature When Malfunction enters the battlefield, tap enchanted permanent. Enchanted permanent doesn't untap during its control...

When Minister of Inquiries enters the battlefield, you get {E}{E} (two energy counters). {T}, Pay {E}: Target player puts the top three cards of th...

Creatures target opponent controls attack this turn if able. During that player's next untap step, creatures they control don't untap. Cycling {2} ...

Enchant creature When Unquenchable Thirst enters the battlefield, if you control a Desert or there is a Desert card in your graveyard, tap enchante...

Afflict 2 (Whenever this creature becomes blocked, defending player loses 2 life.) Whenever Eternal of Harsh Truths attacks and isn't blocked, draw...