For card-heavy games where players hold many cards, bridge-size playing cards (2.25 x 3.5) feel easier to fan and stack, especially for smaller hands
There is also the issue of liquidity
I Create a 1/1 green Human Monk creature token with ": Add ." II Put a +1/+1 counter on each of up to two target creatures
Examples: Single target: Swords to Plowshares, Chaos Warp Board wipes: Wrath of God, Blasphemous Act Flexible: Generous Gift, Beast Within Synergy Pieces 15-20 cards Cards that work with your commander's strategy and each other
The best Limited planeswalkers tend to need two of the following three: Card draw, a removal effect, and a way to protect themselves
Returning cards from the inkwell is mostly a downside but can work out in your favor