Go for the Throat [Commander 2017] Vraska Set: Betrayers of Kamigawa Type:

Set: Betrayers of Kamigawa Type: Instant — Arcane Rarity: Rare Cost: {X}{U}{U} You may exile a blue card with mana value X from your hand rather than pay this spell's mana cost

{R}: Dragon Whelp gets +1/+0 until end of turn

Set: Invasion Type: Artifact Rarity: Rare Cost: {3} Sacrifice a creature: Add one mana of any color

but how do we get down

Set: Fifth Edition Type: Enchantment Rarity: Rare Cost: {B}{B}{B} Skip your draw step

Go for the Throat [Commander 2017] Vraska Set: Betrayers of Kamigawa Type:Set: Commander 2017 Type: Instant Rarity: Uncommon Cost: {1}{B} Destroy target nonartifact creature. Having flesh is increasingly a liability on Mirrodin.