mtg artifact card draw Thirst for Knowledge - Planechase #14 (English) Solving the Boros Problem Part

So, for the rest of the game, your first spell is a free effect or a free card, one or the other

It's worth noting that generic ETB doublers like Starfield VocalistStarfield Vocalist and PanharmoniconPanharmonicon will double the discovery triggers, but creature type-dependent doublers, like Katara and Roaming ThroneRoaming Throne, will not

You have to keep practicing until it becomes second nature and uses almost no cognitive space

Also, there's Orochi Soul-Reaver , a 5/4 Snake Ninja Rogue that can be ninjutsued in for 4 instead of its normal 6 mana and provides a very good combat damage trigger for both commanders: Whenever one or more creatures you control deal combat damage to a player, you create a treasure token and manifest the top card of that player's library

1 Ranging Raptors