Theyre plenty good if you only use them to get two of the three colors they fix for, and some decks (notably those with Landfall and Sacrifice triggers) will use them even if they only hit one of their colors
You can set up massive plays by filling your graveyard with powerful cards and then using Winter's ability to bring them back into play
Mindbreak Trap (MAR) $20 Mindbreak Trap is a very interesting sideboard card to fight storm combo decks
Here are the highlights of the five Strixhaven schools: Silverquill Influence White/Black, goad, and politicking Prismari Artistry Blue/Red, big spells, and Elementals Witherbloom Pestilence Black/Green, sacrifice, life drain, and grind-based value Lorehold Spirit White/Red
Jace, the Living Guildpact lets you control your draws and it protects itself, but comes with a pretty lackluster ultimate ability
It begs to be a Voltron commander despite growing slowly and having bad evasion compared to anything with flying