mtg snow deck commander Theme - (Jorn, God of Winter // Kaldring, the Rimestaff) Jorn, God of Winter Snow

No player can cast spells or activate abilities in between the modes of a resolving spell

However, meld is not partner, meaning you can only have one half of the meld pair as your commander

It enters with +1/+1 counters based on how much mana you invest, which matters because its ability cares about power when flipping cards from the bottom of your library

Then the cycling mechanic might be your thing

If you pay the blitz cost to cast a creature spell, that permanent will be sacrificed only if it's still on the battlefield when that triggered ability resolves

You need to pay mana to cast your instants, and High Tide lets you generate even more mana with all of your Islands