halimar tidecaller WotC themselves draw a distinction between 'design' and 'development', where design is making cards and development is adapting those cards to the limited / standard environment
For one extra mana, this is essentially a better Grafdiggers Cage, preventing all nonland permanents, not just creatures, from entering via the graveyard
Minor Misstep No to one-or-less Theres a card called Mental Misstep that came out back in 2011 set New Phyrexia, and it cost one Blue mana or two life to counter a target spell with a mana value of 1
Rasaad yn Bashir Theres also Rasaad yn Bashir, which actually has a bonus of doubling your creatures toughness when it attacks (assuming you currently have initiative)
Maelstrom Artisan I am not used to straight land destruction
The early meta is focused on using Sapphire to control and generate lots of cards quickly with Pawpsickle and Hiram Flaversham, Toymaker, but we may see more Sisu sooner rather than later