Through the Omenpaths MTG Mechanics & Keywords
The mechanics Through the Omenpaths leans on most are Web-slinging (9 cards, 188× its rate across Magic), Mayhem (12 cards, 157×) and Connive (7 cards, 29×). Flying is on 16 cards. Each of the set’s own mechanics is shown below with its reminder text and every card that carries it, by color and rarity.
Web-slinging
You may cast this spell for 
if you also return a tapped creature you control to its owner's hand.
All colors
common2
uncommon3
rare4
Mayhem
You may cast this card from your graveyard for 
if you discarded it this turn. Timing rules still apply.
All colors
common3
uncommon5
rare4
Connive
Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on that creature.
All colors
common4
uncommon2
rare0
mythic1
Surveil
Look at the top X cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.
All colors
common6
uncommon1
rare1
