In Rise of the Floodborn , for me, that was learning how to use bounce abilities to maximize lore
You cant send half a band at a Planeswalker and the other half at a player
Gone are the days people would run commanders just because they were the colours they wanted access to Card advantage every top commander provides card advantage in some way, whether its literally drawing cards, card selection via scrying or similar, bringing cards back from the graveyard, tutoring, or even producing permanents such as tokens
When he dies, he flips to Temple which taps for red and then transforms back with 3 mana
Enchantment and Artifact Removal Ancient Grudge Disenchant Revoke Existence The effect is generally pegged at Disenchantefficient, instant speed, one-for-one at two mana