these cards will range in sets from possibly as early as beta to as recent as 8th edition
Purchase a preconstructed deck
Wizards showed off three of those cards during the panel: Towashi, Isle of Vesuva, and Spatial Merging
Emeria's Call / Emeria, Shattered Skyclave At 7 mana, Emeria's Call gives you two 4/4 flying Angel Warriors and protects your non-angel creatures with indestructibility until your next turnperfect for setting up a swing
10 Kindred Dominance One Type Left Standing On the opposite side of the spectrum from Extinction, Kindred Dominance lets you choose a creature type to keep, and then destroy all the rest
For two mana you get to put a +1/+1 counter on a creature, giving it both deathtouch and indestructible for the turn