mtg chance of drawing a card in opening hand The probability EDH you your 2 combo and at least 2 land in your starting with 6 mulligans is 1 in 100 Zur's Weirding · Eighth Edition

Rise of the Witch-king will have everyone sac a dork you too like Innocent Blood

By employing combos wisely, especially in storm decks, you can use this to blast through your opponent's deck on the way to victory

Umbra armor's effect is applied no matter why the enchanted creature would be destroyed: because it's been dealt lethal damage, or because it's being affected by an effect that says to "destroy" it (such as Nekrataal's triggered ability)

Perhaps even better is when you do this trick on turn 4, which lets you surprise your opponent with a Chandra, Flamecaller a turn early

Such as

One mana for three cards is basically what cements this cards dominance