pinfinity mtg card back Magic: The Gathering Magic: The Gathering - Enduring

As your first main phase begins (immediately after your draw step), you put another lore counter on each Saga you control

Blightbelly Rat also proliferates when it dies, adding yet another poison counter

three or more specifically and rewards you with three mana in any combination of colors if the card you reveal from his first ability has three or more colors in its mana cost

Sunbirds Invocation Sunbirds Invocation offers pure card advantage

The only issue, assuming you don't consider costing ten mana an issue, is that resolving four cascades in a row can get complicated, especially when individual cascades hit other cascade spells mid-resolution

The first flies and can block a bunch