Sledge of Anvilheim 11% of decksPercentage of decks that could play both Channel the Bleak Expanse and Sledge of Anvilheim that play both
Although, this can be a trap
Vial Smasher the Fierce The original partner cards were largely pretty busted, and Vial Smasher the Fierce is no exception
[20] On each player's turn, following a set phase order, they draw a card, tap their lands and other permanents as necessary to gain mana to cast spells, engage their creatures in a single attack round against their opponent who may use their own creatures to block the attack, and then complete other actions with any remaining mana
It gives us Notorious Throng, Grand Architect, and much, much more
The first time you land this against the wrong table, the reaction is immediate