Awesome Cyber Monday

Nonartifact creatures get +2/+2 as long as they all share a color.

{2}{B}: Regenerate Corrupt Official. Whenever Corrupt Official becomes blocked, defending player discards a card at random.

Search your library for a Mercenary card, reveal that card, and put it into your hand. Then shuffle your library.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) {5}, {T}: Search your library for a Mercenary permanent ca...

{1}, {T}: Search your library for a Mercenary permanent card with converted mana cost 1 or less and put it onto the battlefield. Then shuffle your ...

Sacrifice a creature: Regenerate Cateran Overlord. {6}, {T}: Search your library for a Mercenary permanent card with converted mana cost 6 or less ...

{3}, {T}: Search your library for a Mercenary permanent card with converted mana cost 3 or less and put it onto the battlefield. Then shuffle your ...

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) {4}, {T}: Search your library for a Mercenary permanent ...

{2}, {T}: Search your library for a Mercenary permanent card with converted mana cost 2 or less and put it onto the battlefield. Then shuffle your ...

Flash Enchant creature As Cho-Manno's Blessing enters the battlefield, choose a color. Enchanted creature has protection from the chosen color. Thi...

{X}{B}, {T}, Discard a card: Target creature gets +X/+0 until end of turn.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Whenever a creature dies, put a charge counter on Black Market. At the beginning of your precombat main phase, add {B} for each charge counter on B...

Whenever Alley Grifters becomes blocked, defending player discards a card.

{1}: Return target land you control to its owner's hand. {1}, Discard a land card: Draw a card.

Flying When another creature enters the battlefield, return Timid Drake to its owner's hand.

Tidal Kraken can't be blocked.

Prevent all damage that would be dealt to Cho-Manno, Revolutionary.

You may return an Island you control to its owner's hand rather than pay this spell's mana cost. You may tap or untap target creature.

You may return three Islands you control to their owner's hand rather than pay this spell's mana cost. Counter target spell.

Defender (This creature can't attack.) {U}, {T}: Stinging Barrier deals 1 damage to any target.

Prevent all combat damage that would be dealt to and dealt by creatures you control.

Sorcery spells cost {3} more to cast.

Until end of turn, all creatures gain "{T}: Tap target creature."