Awesome Monday

You may exile a blue card from your hand rather than pay this spell's mana cost. Return target creature to its owner's hand.

Morph {5}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Brine Elemental is ...

{1}, {T}, Sacrifice Chromatic Star: Add one mana of any color. When Chromatic Star is put into a graveyard from the battlefield, draw a card.

Flash (You may cast this spell any time you could cast an instant.)

Enchant creature Enchanted creature has shroud. (It can't be the target of spells or abilities.) When Aspect of Mongoose is put into a graveyard fr...

Counter target spell.

Clockwork Hydra enters the battlefield with four +1/+1 counters on it. Whenever Clockwork Hydra attacks or blocks, remove a +1/+1 counter from it. ...

Destroy target nonblack creature. Madness {B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it...

Enchant creature Enchanted creature's activated abilities can't be activated. {1}{W}: Attach Detainment Spell to target creature.

{T}: Add {C}. {1}, {T}: Put a storage counter on Fungal Reaches. {1}, Remove X storage counters from Fungal Reaches: Add X mana in any combination ...

{T}: Choose target permanent you control or suspended card you own. If that permanent or card has a time counter on it, you may remove a time count...

All Sliver creatures have shadow. (They can block or be blocked by only creatures with shadow.)

All Slivers have "{T}: Tap target permanent."

Flash (You may cast this spell any time you could cast an instant.) Enchant creature Enchanted creature gets +1/+1, has reach, and can block creatu...

Defender Aetherflame Wall can block creatures with shadow as though they didn't have shadow. {R}: Aetherflame Wall gets +1/+0 until end of turn.

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

Amrou Seekers can't be blocked except by artifact creatures and/or white creatures.

Destroy target artifact. Flashback {G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Destroy target tapped creature.

{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

Trample, haste Whenever Barbed Shocker deals damage to a player, that player discards all the cards in their hand, then draws that many cards.

All Slivers have "Sacrifice this permanent: Add {B}{B}."

Flying Echo {2}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless y...

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)