Call the Tide

Summon {x} 1/1 Skaven Tokens
Plague Augment— Summon {x}{x} tokens instead, with Deathtouch.
Ferocity Augment—Summon{x}{x} 2/2 tokens instead, with Vigilance
Doom Augment—The tokens die at the end of your turn, but are now 2/1 and have Haste