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The other question is what do you do with all that colourless Mana in the postcombat Main Phase

By the time Howler comes down for four mana, you should already have at least two cheap creatures that can discard cards in some capacity down on the battlefield, ready to immediately do just that and swing in for huge damage in addition to drawing you two cards

For example, The Queen Wicked and Vain has the ability: I SUMMON THEE Draw a card. To use this ability, you must exert her then you can draw one card from your deck

Congrats, you win the game

Attack 1 : Innee Meenie Miney YOU

Some Psychic cards also hit insanely hard against specific archetypes, especially those tied to status effects or Special Energy plays