Build a deck of at least 60 cards
Include lands to produce mana
Shuffle your deck
Draw 7 cards as your opening hand
Mulligan if needed
Start with 20 life
Take turns in order
Untap your cards at the start of your turn
Draw a card each turn
Play one land per turn
Use lands to generate mana
Cast spells by paying mana costs
Summon creatures and other permanents
Attack your opponent with creatures
Block attacking creatures with your creatures
Deal damage to reduce life total
Win by reducing your opponent to 0 life
Win by making your opponent unable to draw a card
Follow card text and game rules exactly
Keep track of tapped and untapped cards
Put used spells into the graveyard unless they stay on the battlefield
End your turn after finishing actions
Respect timing and turn phases