"Joshua Cairos" (14)
When Bladecoil Serpent enters the battlefield, for each spent to cast it, draw a card.
When Bladecoil Serpent enters the battlefield, for each spent to cast it, each opponent discards a card.
When Bladecoil Serpent enters the battlefield, for each spent to cast it, it gets +1/+0 and gains trample and haste until end of turn.
Whenever a Detective enters the battlefield under your control and whenever a Detective you control is turned face up, put a +1/+1 counter on it.
To solve — You control three or more Detectives. (If unsolved, solve at the beginning of your end step.)
Solved — If one or more tokens would be created under your control, those tokens plus a Clue token are created instead. (It's an artifact with ", Sacrifice this artifact: Draw a card.")
Seek three nonland cards, then nonland cards in your hand perpetually gain "This spell costs less to cast."
First strike
Whenever Fallaji Vanguard or another creature enters the battlefield under your control, target creature gets +2/+0 until end of turn.
Target creature gets +3/+3 and gains trample until end of turn.
Vigilance
: Add one mana of any color. Activate only if Flywheel Racer is a creature.
Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)
Choose one —
• Untap target creature. It gets +1/+0 and gains indestructible until end of turn.
• Destroy target creature with power 4 or greater.
Whenever you cast your first spell during each of your turns, exile the top card of target opponent's library and create a Treasure token. Then you may cast the exiled card without paying its mana cost if it's a spell with mana value less than the number of artifacts you control. If you don't cast it this way, you may cast it this turn.
Trample
Whenever an enchantment enters the battlefield under your control, you may pay . If you do, return Redtooth Vanguard from your graveyard to your hand.
: If Repeat Offender is suspected, put a +1/+1 counter on it. Otherwise, suspect it. (A suspected creature has menace and can't block.)
Flash
When Soul Enervation enters the battlefield, target creature gets -4/-4 until end of turn.
Whenever one or more creature cards leave your graveyard, each opponent loses 1 life and you gain 1 life.
Equipped creature gets +2/+2 and has protection from blue and from black.
Whenever equipped creature deals combat damage to a player, surveil 2. Then you may cast an instant or sorcery spell with mana value 2 or less from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.
Equip
Enchant creature
Enchanted creature gets +1/+0 and has flying and "Whenever this creature attacks, draw a card."
Reach
When Thran Spider enters the battlefield, you and target opponent each create a tapped Powerstone token.
: Look at the top four cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
Gatherer works better in the Companion app!