They each cost three, have 6 total power and toughness in 4s and 2s, they have one keyword and a tap ability that doesn't cost anything to use like mana or discards to drop your cost of their colors' spells by colorless at sorcery speed by either life lost or gained this turn
So if a creature with a converted mana cost of four was sacrificed, then Wretched Gryff can be cast for one generic mana and one blue mana
You will then choose one to keep, as detailed above, and then its enters-the-battlefield ability will resolve
The appeal is simple, Timely Ward is a cheap Aura that grants indestructible to the enchanted creature until end of turn
This card, Wrenn and Seven Emblem, would greatly benefit control or combo decks that rely on drawing and holding onto a large number of cards to execute their strategy effectively
Many players out there probably immediately scrolled down this long article as quickly as they could to discover the fates of these cards