How many MTG cards fit in a 4 row box
Myr Convert If you really want to destroy your life total, Myr Convert is an efficient piece of ramp that culls your life total as you cast spells and accelerates you towards payoffs and enablers
Depending on what your deck is trying to do, you may want 10-20 instants, sorceries, enchantments, or artifacts
Then there's Storm, Force of Nature, just one of the future of Magic's heroes, and the marquee cards from Universes Beyond like Marvel
Furthermore, Delney can make Hare Apparent and those 1/1 Rabbit tokens unblockable against any opposing with power three (or greater), giving your creatures some evasion that could break parity during clunky board stalls
I'd say definitely playable, and reanimating a big guy t4 and then copying it t5 by embalming the vizier feels reeeeaaaaally good