mtg cards that double life gain Boon Reflection | Masters put a +1/+1 counter on each creature you control Full Set of LIFEGAIN Dual

As you can see Storm, is more than just a combo finish, it can be swarming the board with tokens, casting a lot of artifacts or spells from exile to have a spectacular finish, or playing all your cards over and over to eventually close out the game

(A hint was that it's the mechanic with the most cards that's not in a cyclethree.) I kept looking at a place to put it

There are also cards that change power and toughness, like Brine Hag for opposing creatures or Arni Brokenbrow for your own

[1]: Target player discards a card

2013-06-07 You choose all targets for the spell after revealing cards you want to splice, including any targets required by the text of any of those cards